The US special envoy to Greenland, the Arctic island coveted by President Donald Trump, said on Wednesday that Washington needs to rebuild its presence in the Danish autonomous territory. At the height of the Cold War, Washington had 17 military facilities in Greenland, but closed them over the years and currently has just one – the Pituffik base in the north of the island. Trump has repeatedly argued the US needs to control Greenland because of national security concerns, claiming that if it does not, the island risks falling into the hands of China or Russia. Advertisement Greenland is on the shortest route for missiles between Russia and the United States. It is also believed to have untapped rare earth minerals and could be a vital asset as the polar ice melts and new shipping routes emerge. “I think it’s time for the US to put its footprint back on Greenland,” US envoy Jeff Landry said as he wound up his first visit to the island since his appointment in December 2025. US special envoy to Greenland Jeff Landry (centre) visits Nuuk, Greenland, on Wednesday. Photo: Ritzau Scanpix via AP “I think that you’re seeing the president talk about increasing national security operations and repopulating certain bases in Greenland,” he said.

NEW YORK, May 20 (Reuters) - Elon Musk's rocket and satellite maker SpaceX filed on Wednesday for its widely awaited initial public offering, which stands to raise the most ever ‌in an initial offering. The firm said it has picked the Nasdaq as the trading ‌venue for its blockbuster market debut, confirming what people familiar with the matter told Reuters this month. COMMENTS: DAN IVES, HEAD OF TECHNOLOGY ​RESEARCH AT WEDBUSH SECURITIES, NEW YORK: "SpaceX officially filed its S-1 to go public via IPO under the ticker symbol SPCX representing the largest IPO in stock market history, as the company remains at the center of two of the largest growth opportunities over the coming decades. "We continue to believe that SpaceX ‌and Tesla will eventually merge into ⁠one company in 2027 with the groundwork already in place for both operations to become one organization. "Musk wants to own and control more of the AI ⁠ecosystem and step by step the holy grail could be combining SpaceX and Tesla in some way to give the connected tissue between both disruptive tech stalwarts looking to lead the AI revolution." DENNIS DICK, PROPRIETARY TRADER, TRIPLE ​D ​TRADING, BARRIE, ONTARIO, CANADA: "It's a little scary to come ​in and say, 'Yeah, let's go invest in ‌a $2 trillion company," hoping that they'll reach the stars. I'll probably trade SpaceX but I don't know that I'd be an investor. "You have to think about what this means for Tesla. Once SpaceX is public, does some of the luster around Tesla start to fade? Now you're going to have another way to play Elon Musk." CAROL SCHLEIF, CHIEF MARKET STRATEGIST, BMO PRIVATE WEALTH, MINNEAPOLIS: "Space in general is ‌attractive to investors. They like optimistic themes and it's another ​iteration of the importance and sustainability of not just ​the AI trend, but the technology transformation, ​because it's robots, it's space. It's advanced manufacturing. Its advances in scientific discovery ‌and drug discovery and medical equipment. It's ...

格隆汇5月21日｜英伟达CEO黄仁勋：Vera CPU 200亿美元的预估是针对独立CPU销售额，不包含与Rubin芯片组合销售的情况。

The chipmaker reported $81.6 billion in first-quarter sales and raised its quarterly dividend to 25 cents from 1 cent

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格隆汇5月21日｜SpaceX：将允许在180天锁定期到期前，分阶段提前解禁股份，相关阶段与公司盈利、股价以及时间节点挂钩。

格隆汇5月21日｜委内瑞拉央行：委内瑞拉2025年GDP同比增长8.94%。

格隆汇5月21日｜英伟达CEO黄仁勋：包括自身产品在内的基于SRAM的AI芯片，在一段时间内将是一个小众产品。

CEO Jensen Huang says that Nvidia's growth prospects go beyond the massive spending from hyperscalers. Hyperscalers are the massive cloud providers, like Microsoft and Alphabet, that are spending hundreds of billions of dollars on AI. The concern on Wall Street is that eventually these companies will eventually stop spending as much on Nvidia chips.

Astera Labs (NASDAQ:ALAB) Shares Up 17.7% - Should You Buy? MarketBeat

财联社5月21日讯（编辑 赵昊） 周三（5月20日），受市场情绪转好影响，国际油价和美债收益率整体下滑，美股三大指数集体反弹，均收涨超1%。 截至收盘，道琼斯指数涨1.31%，报50009.35点；标普500指数涨1.08%，报7432.97点；纳斯达克综合指数涨1.54%，报26270.36点。 前一交易日收盘后，美国总统特朗普在白宫说，他希望“非常迅速”地结束伊朗战事。日内，WTI原油期货7月合约收跌5.66%；布伦特原油期货7月合约跌5.63%。 美国国债收益率的涨势也随之降温。前一天创下19年新高的美国30年期国债收益率跌超6个基点，“全球资产定价之锚”10年期美债收益率跌逾8个基点。 资深策略师Louis Navellier评论道：“每个人都希望这场冲突能够结束，但迄今为止，美伊双方在关键问题上的谈判分歧巨大，都希望对方先让步。” Navellier还称，即使双方达成协议，也需要一段时间才能确保协议不被违反，一切才能完全恢复正常。 近几日，美债市场的走势令投资者感到恐慌。因外界担心，由于油价上涨，美国通胀正在卷土重来，并预期美联储可能年内重启加息，进而给经济造成压力。 盘中，美联储公布的货币政策会议纪要显示，许多决策者倾向于在声明中去除宽松偏向。大多数与会者表示，如果通胀持续高于2%，可能需要采取一些收紧措施。 发稿前不久，英伟达发布了2027财年第一财季（截至2026日历年4月26日）业绩报告。公司当季营收录得816亿美元，同比增长85%；净利润583亿美元，同比增长211%。 Main Street Research首席投资官James Demmert表示，“当下英伟达是最重要的股票，因为过去几年大盘的涨势是由人工智能的强大功能推动的。” 截至周三收盘，英伟达收涨1.3%。业绩报告发布后，英伟达股价大幅波动，一度跌超3%又曾涨逾1%。 热门股表现 科技巨头多数走高，苹果涨1.1%收创新高。（按市值排列）微软涨0.87%，亚马逊涨2.19%，博通涨1.63%，特斯拉涨3.25%，Meta涨0.41%。 费城半导体指数暴涨4.49%，30只成分股中仅一家收跌。CPU概念股表现强势，Arm Holdings涨15.05%，AMD涨8.1%，英特尔涨7.36%。 光通信、存储概念走高，Astera Labs涨17.69%，Credo Technology涨8....

Advice for 2026 commencement speakers: Don't bring up AI toggle caption University of Central Florida and Middle Tennessee State University via Storyful/Screenshots by NPR Glendale Community College's commencement ceremonies hit a snag just as students were walking across the stage to get their diplomas last week. The wrong names were being read aloud at the ceremony, just outside Phoenix. Some of the graduates' names didn't even get read. The college's president, Tiffany Hernandez, tried to explain the problem. "We're using a new AI system as our reader," she said, leading to loud boos from the audience. (In a statement, the college blamed technical issues and said it had apologized to students for the experience.) Other commencement speakers who have brought up the sweeping changes that artificial intelligence is driving are also facing boos from the Class of 2026. Sponsor Message Real estate executive Gloria Caulfield described AI to the graduating class of the University of Central Florida on May 8 as "the next industrial revolution." The boos started almost immediately. "OK, I struck a chord," said Caulfield. Graduating students at Middle Tennessee State University booed when record executive Scott Borschetta told them at their May 9 commencement ceremony, "AI is rewriting production as we sit here." Borschetta responded to the boos with: "Deal with it. Like I said, it's a tool." As the booing continued, he added, "Then do something about it. It's a tool. Make it work for you." Former Google CEO Eric Schmidt was repeatedly booed by University of Arizona graduates at their commencement on May 15, including when he said, "The question is not whether AI will shape the world. It will. The question is whether you will help shape artificial intelligence." ChatGPT was released in 2022, when many of this year's undergraduates were just starting college. Many have embraced AI for good and for ill, whether to build businesses or use it to cheat. But despite – or perhaps ...

Meta Platforms Inc. stock (US30303M1027): insider filing highlights ongoing equity awards AD HOC NEWS

Earnings Call Insights: The TJX Companies (TJX) Q1 fiscal 2027 Management View “First quarter sales, profitability and earnings per share were all well above our expectations… Overall comp sales were up an outstanding 6%… With our above planned first quarter sales, we are raising our full year sales and profitability outlook.” (CEO, President & Director Ernie Herrman) “Availability of quality branded merchandise continues to be outstanding… the second quarter is off to a good start.” (CEO Herrman) “Pretax profit margin was 12%, up 170 basis points… Gross margin was 31.3%, up 180 basis points… All this led to diluted earnings per share of $1.19, up 29%.” (Senior Executive VP & CFO John Klinger) “We opened our first store in Spain and the customer response was terrific.” (CFO Klinger) “We continue to reinvest in the growth of our business while returning $1.1 billion to shareholders… we have increased our fiscal 2027 share buyback guidance to a range of $2.75 billion to $3 billion.” (CFO Klinger) Outlook “We are planning overall comp sales to increase 2% to 3%… Consolidated sales to be in the range of $15 billion to $15.1 billion… we expect second quarter diluted earnings per share to be in the range of $1.15 to $1.17.” (CFO Klinger) “We now expect overall comp sales growth of 3% to 4%… consolidated sales guidance… $63.2 billion to $63.7 billion… pretax profit margin… 11.9% to 12%… diluted earnings per share… $5.08 to $5.15.” (CFO Klinger) “We did not flow the entire first quarter pretax profit and earnings per share beat to the full year as we are now planning current fuel prices to remain in place for the rest of the year.” (CFO Klinger) Financial Results “Our first quarter consolidated comp sales increased 6%… driven equally by a higher average basket and an increase in customer transactions.” (CFO Klinger) “Gross margin was 31.3%, up 180 basis points… primarily driven by an increase in merchandise margin, a benefit from favorable inventory and fuel hedges and expe...

格隆汇5月21日｜巴西财政部长杜里甘：计划在接下来的几天内敲定有关农业债务重新协商的提案。我们致力于推进农业部门的担保基金。

【有線新聞】剛果民主共和國伊波拉疫情增至近600宗疑似病例，近140宗疑似染疫死亡，世衛預計最快半年才有針對現時流行的變種病毒疫苗應用。 剛果民主共和國東北部伊波拉疫情重災區伊圖里省，身穿防疫裝備的醫護人員將遺體移入棺木，運走前會消毒棺木和他們的手套，伊波拉疑似個案增至近600宗，逾50人確診，近140宗疑似死亡個案。世衛相信，疫情規模遠超這些數字，仍調查首先爆發的地點和時間，估計疫情早於兩個月前已出現，評估認為在國家及地區層面疫情大流行風險屬高，但對全球的風險仍低。 伊波拉迅速蔓延下，國際組織的防疫裝備，包括手套、口罩、防護衣以及其他醫療物資陸續運抵剛果民主共和國，重災區的診所亦在出入口設立洗手台、消毒及清潔用品，加強感染防控措施，不過有前線醫護說仍在缺乏足夠防護下工作，醫療機構亦不堪負荷，沒有可用的隔離病房。 曾接觸患者而感染伊波拉或被列為高風險的數名美國公民，美國疾控中心指已分別轉送到德國和捷克的醫院接受治療和隔離，目前情況穩定。 今次爆發的病毒株是罕見的本迪布焦型變種病毒，未有專門針對的疫苗或治療方法，世衛表示有兩種實驗性疫苗正在研發，或有助應對疫情，但需時六至九個月才可應用。

Nordson (NDSN) came out with quarterly earnings of $2.86 per share, beating the Zacks Consensus Estimate of $2.82 per share. This compares to earnings of $2.42 per share a year ago. These figures are adjusted for non-recurring items. This quarterly report represents an earnings surprise of +1.54%. A quarter ago, it was expected that this maker of adhesives and industrial coatings would post earnings of $2.36 per share when it actually produced earnings of $2.37, delivering a surprise of +0.42%. Over the last four quarters, the company has surpassed consensus EPS estimates four times. Nordson, which belongs to the Zacks Manufacturing - General Industrial industry, posted revenues of $740.85 million for the quarter ended April 2026, surpassing the Zacks Consensus Estimate by 1.35%. This compares to year-ago revenues of $682.94 million. The company has topped consensus revenue estimates three times over the last four quarters. The sustainability of the stock's immediate price movement based on the recently-released numbers and future earnings expectations will mostly depend on management's commentary on the earnings call. Nordson shares have added about 13% since the beginning of the year versus the S&P 500's gain of 7.4%. What's Next for Nordson? While Nordson has outperformed the market so far this year, the question that comes to investors' minds is: what's next for the stock? There are no easy answers to this key question, but one reliable measure that can help investors address this is the company's earnings outlook. Not only does this include current consensus earnings expectations for the coming quarter(s), but also how these expectations have changed lately. Empirical research shows a strong correlation between near-term stock movements and trends in earnings estimate revisions. Investors can track such revisions by themselves or rely on a tried-and-tested rating tool like the Zacks Rank, which has an impressive track record of harnessing the power of earnings ...

Largest US Electric Grid Gets Approval To Curtail Data Centers During Hot Weather By Ethan Howland of Utility Dive Power plant and transmission owners often take their facilities offline in the spring for maintenance so they are prepared for the summer, PJM noted. The largest US electricity grid operator said it expected power plants totaling more than 40 GW would be offline for planned outages on May 18. An Amazon Web Services data center in Stone Ridge, Va. The PJM Interconnection will be able to curtail data centers and other large loads that have backup generation under an emergency order issued May 18, 2026, by the U.S. Department of Energy “The projected level of generation outages coupled with the forecasted demand raises a significant risk of emergency conditions that could jeopardize electric reliability and public safety,” PJM said. The curtailments would be a last resort before ordering rolling blackouts, according to the DOE’s order, issued under the Federal Power Act’s section 202(c). Only large energy consumers with backup generation would be affected. “The employment of this backup generation is expected to reduce stress on the grid,” the DOE said. “ This will permit orderly, safe, and secure operations during PJM’s hot weather conditions.” Next summer the Eastern seaboard will look like North Korea at night thanks to chatbots pic.twitter.com/NEY97pa1LB — zerohedge (@zerohedge) May 6, 2026 There are significant amounts of backup generation in the United States that have remained largely untapped during grid emergencies, according to the DOE. “Deployment of backup generation resources (whether auxiliary, standby, directly-connected, battery storage or other, and whether synchronized or not to the bulk power system) at data centers (including, but not limited to, hyperscaler facilities), and at other large load industrial and commercial customer sites, can prevent avoidable blackouts, thereby saving lives and reducing costs to the American people,” the ...

格隆汇5月21日｜以色列国家安全部长、极右翼政治人士本-格维尔5月20日发布视频。视频中，他对因试图向加沙地带运送物资而被以军拦截扣押的“全球坚韧船队”参与者进行各种羞辱嘲讽。视频中，这些被扣押的活动人士还遭到粗暴对待：大量被扣押人员双手反绑跪在地上，头贴着地面；戴着手铐的被扣押人员高喊“解放巴勒斯坦”，随即被安保人员按倒在地。

Image source: The Motley Fool. Wednesday, May 20, 2026 at 4:30 p.m. ET Call participants Chief Executive Officer — Yu-Hsin Lin Chief Financial Officer — Hao-Yuan Chuang Chief Medical Advisor — Hendrik Scholl Need a quote from a Motley Fool analyst? Email [email protected] Takeaways Initiation of NDA rolling submission -- The NDA rolling submission for Tinlarebant in Stargardt disease was initiated in April and is expected to be completed in the second quarter. -- The NDA rolling submission for Tinlarebant in Stargardt disease was initiated in April and is expected to be completed in the second quarter. Commercial infrastructure -- All commercial leadership positions have been filled, with team buildout in sales, market access, and medical affairs underway as the company prepares for a commercial launch. -- All commercial leadership positions have been filled, with team buildout in sales, market access, and medical affairs underway as the company prepares for a commercial launch. Phase 2/3 Dragon 2 trial completion -- Enrollment for the Dragon 2 Stargardt disease study was completed, consisting of 73 subjects aged 12-20 across Japan, the United States, and the UK, intended to support regulatory submission in Japan. -- Enrollment for the Dragon 2 Stargardt disease study was completed, consisting of 73 subjects aged 12-20 across Japan, the United States, and the UK, intended to support regulatory submission in Japan. Research and development expenses -- GAAP R&D expenses rose to $15.7 million from $9.4 million, driven by higher Dragon 2 trial spending, additional manufacturing outlays, and increased consulting fees. -- GAAP R&D expenses rose to $15.7 million from $9.4 million, driven by higher Dragon 2 trial spending, additional manufacturing outlays, and increased consulting fees. SG&A expenses -- GAAP SG&A expenses increased to $17.0 million, up from $6.1 million, primarily from higher share-based compensation, professional service fees, and expanded payroll costs du...

Scion Group CEO Rob Bronstein said that his team is targeting real estate around universities that represent a 'strong return on investment' in terms of tuition, as his company announces a deal with Ares Management to but $910M in student housing properties. Bronstein, joined by Bloomberg's Norah Mulinda, said that his investment is aimed at providing a wide net of locations and price points in the student housing market. (Source: Bloomberg)

NVDA Stock Jumps on Strong Q1 Earnings Then Falls on Rising Costs, China Headwinds FXLeaders

Goldman Sachs is soaring after securing a key role in SpaceX's historic IPO. Elon Musk 's rocket company has selected the bank for the record-setting public debut, according to a prospectus filed on Wednesday. The deal is a financial windfall that positions Goldman's dealmaking division to potentially win lead roles in other major IPOs expected in the near future, including OpenAI and Anthropic. "This is a huge win for Goldman Sachs and a verification that this Investing Club stock is in pole position for all the big ones," Jim Cramer said. Shares of Goldman rose nearly 6% on Wednesday. SpaceX's IPO is expected to be the largest ever, following a recent acquisition that valued the company at $1.25 trillion . In the highly coveted "lead left" position on the IPO prospectus, Goldman will likely spearhead the ultimate share allocation, pricing, and valuation — and reap the biggest share of the associated fees. Goldman Sachs declined CNBC's request for comment. "It's going to be a big source of revenue," said Jay Ritter, a University of Florida professor known as "Mr. IPO" for his extensive industry research, adding that Goldman will share the proceeds with the other syndicate members: Morgan Stanley , Bank of America , Citigroup , and JPMorgan . Executing a deal of this size can be tricky, according to Matt Kennedy, a senior IPO strategist at Renaissance Capital. "Pricing IPOs is often more art than science. The relationships that the bank has, the reputation of its equity research team, the ability to place the IPO with institutions, price the deal appropriately, and handle any post IPO trading," he said, adding: "It can be hard to do." It also stands to be very lucrative. SpaceX's IPO is expected to be at least double the size of Alibaba's $25 billion IPO in 2014, sources told CNBC's Leslie Picker. The Chinese e-commerce company paid $300.4 million in underwriting commissions to banks, roughly 1.2% of the total deal. Other massive IPOs, such as Facebook parent Meta P...

Never miss an episode. Follow The Big Take daily podcast today. For months, Democrats and Republicans have been locked in a fierce battle over the way districts are drawn across the US. As both parties try to gain an edge ahead of midterms in November, efforts to redistrict could reshape Congress in the final two years of Trump’s second term — and regional economies for decades to come. On today’s Big Take podcast, guest host Stacey Vanek Smith hears from Virginia Democratic Representative Don Beyer, economist Julianne Malveaux and Bloomberg’s Greg Giroux about how the race to redistrict America could affect everything from representation to economics. Read more: What the Virginia Court Ruling Means for Democrats We have a special Bloomberg subscription offer for podcast listeners at Bloomberg.com/podcastoffer. Listen and follow The Big Take on Apple Podcasts , Spotify or wherever you get your podcasts. Terminal clients: Visit NSUB to subscribe. This episode was produced by: David Fox; Editors: Aaron Edwards; Fact-checker: Laura Newcombe; Sound Design/Engineer: Alex Sugiura; Senior Producer: Naomi Shavin; Senior Editor: Elisabeth Ponsot; Deputy Executive Producer: Julia Weaver; Executive Producer: Nicole Beemsterboer.

The top US securities regulator is delaying the launch of a wave of novel exchange-traded funds that would let investors wager on events such as elections and economic data as the agency weighs how far the $15 trillion ETF wrapper can stretch. Securities and Exchange Commission Chairman Paul Atkins said Wednesday that he has instructed staff to seek public input on proposed products that raise new regulatory questions. He noted that fund sponsors have agreed to delay several ETFs tied to prediction market contracts while the commission deliberates. “Novel products raise novel questions, and I appreciate the willingness fund sponsors have shown in delaying the effectiveness of a number of novel ETFs, including event contract ETFs, while we consider the implications,” he wrote in a statement. Polymarket and Kalshi, the two dominant prediction markets, offer financial contracts that allow users to place yes-or-no bets on the outcomes of various events, including sports, elections and pop culture. Both platforms still require dedicated accounts and specialized on-ramps, limiting their reach. An ETF wrapper would drop political event contracts into standard brokerage accounts. Earlier this year, Roundhill Investments submitted paperwork for six funds that would have their value tied to event contracts on presidential, Senate and House races. GraniteShares submitted similar offerings while Bitwise Investments proposed a broader slate under the PredictionShares brand. Beyond politics, Bitwise’s filings included products tied to macroeconomic outcomes, including contracts on whether the US will enter a recession in 2026 and whether layoffs in 2026 will be higher or lower than in 2025. Read more: Wall Street Wants to Bring Election Bets Into Brokerage Accounts The ETF industry has steadily absorbed strategies once considered too exotic for a fund wrapper — from volatility futures to spot Bitcoin. Prediction market ETFs are the latest frontier. The new delay is notable given ...

Thousands of Mississippians, along with allies from other southern states, gathered at the state’s War Memorial Building auditorium on Wednesday in support of voting rights. It was the latest in a series of actions protesting the supreme court’s recent decision gutting the provision of the Voting Rights Act preventing racial discrimination, and held on a site integral to the state’s history of Black disenfranchisement. Section 2 “stopped states, counties, cities, from passing redistricting maps that discriminate against Black voters and it led to the biggest growth of Black political power since Reconstruction”, said Amir Badat, the southern states director at the voting rights group Fair Fight Action. “And now, the Roberts court has opened the door to the biggest destruction of Black political power since the end of Reconstruction.” The rally was led by a coalition of organizations, including People’s Advocacy Institute, Mississippi Votes, Mississippi Poor People’s Campaign, One Voice, Fair Fight, Mississippi for a Just World and NAACP, among them. It followed the “All Roads Lead to the South” rally in Montgomery, Alabama, over the weekend. Since the supreme court decision in Louisiana v Callais, southern states have scrambled to redraw their congressional districts and dilute Black political power in the process. Florida’s Republicans signed a new map shortly after the supreme court decision came down. Republicans in Tennessee eliminated the state’s one Black congressional district and Alabama, Louisiana, South Carolina and Georgia are all moving in turn. Mississippi, whose population is nearly 40% Black, was initially set to enter the redistricting battlefield, with Tate Reeves, the state’s governor, calling a special session to be held on 20 May. Reeves since reversed his decision, though he said he expects the state to redraw maps before elections in 2027. In 1890, following Reconstruction, white supremacist Mississippi legislators met at the Old Capitol – next...

Accelerating LLM Startup on AMD Ryzen AI with Two-Phase Custom Op Initialization AMD

Nvidia (NVDA) came out with quarterly earnings of $1.87 per share, beating the Zacks Consensus Estimate of $1.77 per share. This compares to earnings of $0.81 per share a year ago. These figures are adjusted for non-recurring items. This quarterly report represents an earnings surprise of +5.78%. A quarter ago, it was expected that this maker of graphics chips for gaming and artificial intelligence would post earnings of $1.52 per share when it actually produced earnings of $1.62, delivering a surprise of +6.58%. Over the last four quarters, the company has surpassed consensus EPS estimates four times. Nvidia, which belongs to the Zacks Semiconductor - General industry, posted revenues of $81.62 billion for the quarter ended April 2026, surpassing the Zacks Consensus Estimate by 3.63%. This compares to year-ago revenues of $44.06 billion. The company has topped consensus revenue estimates four times over the last four quarters. The sustainability of the stock's immediate price movement based on the recently-released numbers and future earnings expectations will mostly depend on management's commentary on the earnings call. Nvidia shares have added about 18.3% since the beginning of the year versus the S&P 500's gain of 7.4%. What's Next for Nvidia? While Nvidia has outperformed the market so far this year, the question that comes to investors' minds is: what's next for the stock? There are no easy answers to this key question, but one reliable measure that can help investors address this is the company's earnings outlook. Not only does this include current consensus earnings expectations for the coming quarter(s), but also how these expectations have changed lately. Empirical research shows a strong correlation between near-term stock movements and trends in earnings estimate revisions. Investors can track such revisions by themselves or rely on a tried-and-tested rating tool like the Zacks Rank, which has an impressive track record of harnessing the power of earnin...