Reddit (NYSE: RDDT) shares plunged more than 23% to $100 in Friday's premarket trading, approaching levels last seen in May 2025 after the social media company reported weaker-than-expected user growth. Reddit also warned that total daily active users could fall by a low-double-digit percentage in the fourth quarter if search referrals continued declining at their October pace.
SanDisk Corporation (NASDAQ: SNDK) shares plunged nearly 9% to approximately $1,216 in Friday's premarket trading despite reporting stronger-than-expected fiscal first-quarter earnings and issuing an upbeat outlook. The decline came amid concerns about slowing NAND flash memory price increases and the sustainability of the chipmaker's unusually high profit margins.
Amazon (NASDAQ: AMZN) shares sank more than 7% to around $226 in Friday's premarket trading after the company's third-quarter earnings and revenue fell short of Wall Street estimates. The results also showed a sharp deterioration in free cash flow amid heavy spending on artificial intelligence infrastructure, even as growth at Amazon Web Services (AWS) accelerated.
Microsoft Corporation (NASDAQ: MSFT) shares rose about 1% to $535.11 in Thursday's premarket trading after the company reported better-than-expected quarterly earnings and revenue, supported by accelerating growth in its Azure cloud business. The technology giant reported adjusted earnings of $4.89 per share for its fiscal 2027 first quarter, exceeding analysts' estimate of $4.72.
Alphabet (NASDAQ: GOOGL) shares fell more than 10% to $291.49 in pre-market trading Thursday after the Google parent reported weaker-than-expected third-quarter earnings, as slowing search advertising growth and heavy artificial intelligence spending overshadowed strong demand for its cloud services. Alphabet reported diluted earnings of $2.12 per share for the quarter ended September 30, down from $2.87 a year earlier.
Oracle (NYSE: ORCL) shares slipped 3% to $140.36 in early premarket trading Thursday, reversing some of Wednesday's Investor Day-driven advance as AI-related tech stocks weakened amid investor disappointment over Alphabet's third-quarter earnings. Google's parent company's shares dropped roughly 10% in extended trading after its quarterly revenue and adjusted earnings missed Wall Street expectations.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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.
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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