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A variety of companies saw significant stock price fluctuations on Wednesday, driven by strong quarterly earnings, new strategic agreements, and shifts in the artificial intelligence sector. Major market movers included CoreWeave, Nvidia, and Six Flags, as investors responded to fresh financial data and corporate updates.
Artificial Intelligence and Tech Sector Shifts
CoreWeave shares experienced a notable surge, rising between 13% and 26% throughout the day following a strong third-quarter performance. The New Jersey-based neocloud reported $3.66 billion in revenue, a 168% increase from the previous year that surpassed the $3.55 billion expected by analysts polled by LSEG. CEO Michael Intrator told CNBC’s “Squawk on the Street” that demand for their infrastructure remains “overwhelming,” noting that the company is “10x oversubscribed” for its remaining 2027 capacity and significantly oversubscribed for 2028. The company also raised its full-year revenue guidance.
The momentum from CoreWeave’s results lifted other AI-linked stocks. Memory manufacturers Sandisk and Micron rose 16% and 13% respectively, while photonics firms Coherent and Lumentum saw gains of 12% and 14%. The iShares A.I. Innovation and Tech Active ETF (BAI) climbed 7%.
Nvidia shares jumped 5% on Wednesday, recovering from a two-day decline that had left the chipmaker down nearly 10% for the week. The rebound followed reports regarding CEO Jensen Huang.
Conversely, Microsoft shares fell 2% for the second consecutive session. The decline followed an announcement from Anthropic regarding a new suite of AI workplace tools—including Claude Sheets, Claude Whiteboards, and Claude Data—which could compete with Microsoft Office products. According to reporting by Deena Zaidi and Nick Wells, this movement reflects investor concerns regarding AI disruption in traditional software.
Corporate Earnings and Strategic Developments
Azenta shares climbed 22% after the Massachusetts-based life sciences company reported fourth-quarter adjusted earnings of 28 cents per share on $167 million in revenue, beating FactSet consensus estimates of 11 cents per share and $160.2 million. The company also provided fiscal year 2027 revenue guidance of $648 million to $660 million, exceeding the $639.2 million estimate.
Six Flags Entertainment saw its shares rise 8% following significant insider buying. Director Rehan Jaffer purchased 1.45 million shares over a three-day period. Additional purchases were made by Chief Legal Officer Christopher Bennett and Executive Chairman Richard Haddrill.
Corning shares gained over 10% after Jefferies initiated coverage with a buy rating and a $134 price target. Jefferies analyst Dushyant Ailani noted that the company has transitioned from a consumer electronics glass-maker into an “AI optical infra play.”
Talen Energy stock rose nearly 5% after the power producer announced a seven-year deal to sell 750 megawatts of capacity. The agreement is expected to generate approximately $100 million in annual revenue through 2036, providing the company with about $1 billion in cumulative capacity revenue visibility.
Energy and Navigation Updates
Oklo shares advanced 6% after the Department of Energy cleared the company’s Groves-1 reactor in Lockhart, Texas, for unrestricted operations. This authorization allows Oklo to test its reactor technology, prepare necessary support systems, and train personnel for future deployments.
NextNav shares rallied 9% as the company reported a narrowed quarterly loss of 4 cents per share, compared to 12 cents in the same period last year. Revenue nearly doubled year-over-year, and the company reported that its cash, cash equivalents, and short-term investments increased to $264.1 million as of September 30.
