SK hynix (NASDAQ: SKHY) shares surged more than 8% to $157.88 in Wednesday's premarket trading after the South Korean chipmaker reported record third-quarter earnings, with quarterly revenue exceeding KRW 100 trillion for the first time in its history. The company reported third-quarter 2026 revenue of KRW 104.62 trillion, up 328% year over year, while operating profit jumped 632% to KRW 83.33 trillion.

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CoreWeave (NASDAQ: CRWV) shares rose 3.56% to $61.69 in Wednesday's premarket trading after the AI cloud provider announced Tuesday that it had brought most of its planned 22.5 megawatts (MW) of IT capacity online in Denmark and planned to expand its global network into the Middle East and Asia Pacific. Blackwell Systems at Danish Site; Network Points Planned Across Seven Countries CoreWeave's first Danish deployment is located at atNorth's DEN01 data center in Copenhagen.

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Robinhood Markets (NASDAQ: HOOD) shares fell more than 8% to $86.78 in premarket trading Wednesday after the online brokerage reported record third-quarter revenue that missed Wall Street estimates, amid weaker cryptocurrency trading and higher operating expenses. Revenue rose 12% year over year to a record $1.42 billion for the quarter ended Sept.

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SoFi Technologies (NASDAQ: SOFI) shares surged more than 10% to $15.96 in premarket trading Tuesday after the digital financial services company reported record third-quarter 2026 results and raised its full-year earnings and revenue forecasts above Wall Street expectations. Adjusted net revenue rose 44% year over year to a record $1.37 billion, exceeding analysts' expectations of roughly $1.25 billion.

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DoorDash (NASDAQ: DASH) stock rose 0.43% in premarket trading on Tuesday following reports that the company is in advanced talks to acquire grocery-delivery rival Instacart (NASDAQ: CART) in a potential $17 billion transaction. The Wall Street Journal reported Monday, citing people familiar with the matter, that the companies could reach an agreement as soon as this week.

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Broadcom (NASDAQ: AVGO) shares rose 2.37% to $337 in Tuesday's premarket trading after Citi, Blackstone, Bank of America, and Morgan Stanley announced a $63 billion financing deal to purchase Broadcom's artificial intelligence equipment for Anthropic. The announcement came at 4:15 p.m.

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Moderna (NASDAQ: MRNA) shares fell 8% to $184.19 in Monday's early trading, extending the stock's decline to about 25% since the October 21 close after the release of detailed Phase 3 results for its experimental melanoma vaccine developed with Merck (NYSE: MRK). The October 26 decline extended a two-session selloff that began when embargoed INTerpath-001 findings leaked online on October 22.

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Shares of IREN Ltd. (NASDAQ: IREN), an AI cloud and data-center operator, fell more than 4% to $23.90 in premarket trading Monday after Elon Musk warned that hundreds of specialized AI cloud providers could go out of business or be forced to merge.

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Nebius Group (NASDAQ: NBIS) shares fell about 4% to $152.74 in premarket trading Monday, continuing an October selloff that began before the AI cloud provider disclosed a $3.5 billion senior secured financing facility from Citi last week. The facility, announced October 22, will help finance Nebius's global data center expansion, GPU purchases and general corporate needs.

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American Express (NYSE: AXP) shares fell 3% to $315.38 in early trading Friday after the payments giant announced plans to cut about 5% of its global workforce, even as its third-quarter adjusted earnings surpassed Wall Street expectations. Chief Executive Officer Stephen Squeri disclosed the planned reductions during the company's earnings conference call.

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Bloom Energy (NYSE: BE) shares traded near $209 in premarket trading Friday, extending the previous session's losses despite the fuel-cell manufacturer's stronger-than-expected third-quarter earnings and increased full-year guidance. The quarter also recorded a $27.1 million operating cash outflow.

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Moderna (NASDAQ: MRNA) shares plunged more than 17% to $202.63 in Thursday's regular trading session after detailed Phase 3 results for its personalized melanoma vaccine, developed with Merck (NYSE: MRK), emerged earlier than planned despite the treatment meeting key clinical goals. The experimental vaccine, intismeran autogene, combined with Merck's immunotherapy Keytruda reduced the risk of cancer recurrence or death by 42% and the risk of distant metastasis (cancer spreading to other parts of the body) or death by 38% compared with Keytruda alone.

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Space Exploration Technologies (NASDAQ: SPCX) shares surged 9.66% to $162.06 in pre-market trading Wednesday after the company reported its first quarterly profit since its June public listing and disclosed that independent committees at SpaceX and Tesla are evaluating a possible merger. SpaceX reported third-quarter net income of $4.4 billion, or $0.35 per diluted share, after posting a $541 million loss in the second quarter and a $1.1 billion loss a year earlier.

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Amazon.com (NASDAQ: AMZN) announced plans to invest more than €16 billion (approximately $18 billion) in Germany in 2027, including €4.8 billion to expand Amazon Web Services (AWS) cloud infrastructure around Frankfurt. Amazon stock was little changed in early morning trading Tuesday after closing 5% higher at $262.45 on Monday.

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CoreWeave (NASDAQ: CRWV) shares fell 4.17% to $58.57 in premarket trading on Tuesday, extending their recent decline after HSBC Global Investment Research maintained its 'Reduce' rating and $39 price target. The bank warned that rising borrowing costs and a potential slowdown in demand for AI computing could hurt the company's long-term profitability.

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Cerebras Systems (NASDAQ: CBRS) shares fell 3.46% to $116.48 in premarket trading Tuesday, extending losses one day after TD Cowen sharply cut its price target for the artificial intelligence chipmaker while maintaining a Buy rating. TD Cowen lowered its 12-month target to $175 from $275 in a research note issued before Monday's market open.

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CoreWeave (NASDAQ: CRWV) shares rose 6.53% to $65.40 in premarket trading Monday as of 8:46 a.m. ET, after Goldman Sachs upgraded the artificial intelligence infrastructure provider from Neutral to Buy, arguing that investors may be overestimating its future financing costs while undervaluing potential returns from its computing assets.

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Nebius Group (NASDAQ: NBIS) shares rebounded 7.30% to $177.54 in premarket trading Monday, recovering some of Friday’s sharp losses after Truist Securities reaffirmed its Buy rating and $355 price target. The stock had closed that session at $165.47, down 12.18%, amid broader selling in AI infrastructure companies as investors weighed borrowing costs and the funding required for data center expansion.

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Intel Corporation (NASDAQ: INTC) shares climbed 4.16% to $93.59 in pre-market trading Monday after JPMorgan upgraded the chipmaker from Underweight to Neutral, ending a negative rating maintained since November 2022. JPMorgan analyst Harlan Sur issued the upgrade in a research note Sunday evening, saying Intel's approximately 36% decline from its June peak had reduced the downside implied by the firm's unchanged $85 price target.

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IREN Limited (NASDAQ: IREN) shares fell nearly 4% to $29.23 in Friday's early morning trading after Morningstar lowered its valuation estimate for the AI cloud provider to $37 from $43, citing concerns over rising borrowing costs and competition for capital. The nearly 14% valuation reduction followed Morningstar's warning that specialized AI cloud providers, known as neoclouds, could face higher financing costs as large technology companies raise capital for their own infrastructure expansion.

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