Check out the companies making the biggest moves in premarket trading: Datadog — The software company rose 2.3% following an upgrade to buy from neutral at Guggenheim. The firm said it believes Datadog is the primarily beneficiary of artificial intelligence-driven growth in data volumes and information technology complexity. CoreWeave — The AI cloud computing stock gained more than 5% after CoreWeave announced a $21 billion expanded infrastructure deal with Meta Platforms. “The dedicated capacity will be deployed across multiple locations and will include some of the initial deployments of the NVIDIA Vera Rubin platform. This distributed approach is designed to optimize performance, resilience, and scalability for Meta’s AI operations,” CoreWeave said in a release . Constellation Brands — The Modelo and Corona maker slipped less than 1% after it withdrew its 2028 guidance due to uncertainty and reported “subdued” demand. Its full-year earnings guidance fell short of expectations, while its fourth-quarter results came in above the Street’s estimates. Oil companies — Shares of energy companies moved higher as the price of oil ticked back up, a day after U.S. West Texas Intermediate crude had its biggest single-day drop since 2020. Occidental Petroleum and APA both added nearly 2%, while ConocoPhillips , Chevron and BP each gained about 1%. Airlines — Rising oil price sent shares of airliners lower. Alaska Air dropped roughly 2%, while United Airlines , American Airlines and Delta Air Lines shed 1%. Cruise operators — Cruise companies also slipped on the back of rising oil. Royal Caribbean and Norwegian Cruise Line each lost nearly 2%. Carnival was down 1%. Applied Digital — Shares dipped less than 1% even after the maker and operator of high-performance data centers blew past estimates in its latest earnings, with third-quarter adjusted EBITDA of $44.1 million exceeding the FactSet consensus estimate of $19.3 million. The stock had run up heading into the report, rallying 17% just this month and higher by more than 13% this year. Texas Instruments — Shares climbed nearly 2% after Stifel upgraded the chipmaker to buy from hold. The investment firm said Texas Instruments is benefiting from several tailwinds, like an end to its recent capital expenditures cycle and its data center business growth, that support Texas Instruments’ outlook. Staar Surgical — The implantable eye lens maker jumped 27% after it guided for first-quarter revenue in excess of $90 million, well above the $67.6 million expected from analysts polled by FactSet. Zscaler — The cloud security company was downgraded by BTIG to neutral from buy and removed from BTIG’s first half 2026 top picks list. The firm sees a more cautious forward outlook. Shares shed roughly 3%. —CNBC’s Sarah Min, Fred Imbert and Davis Giangiulio contributed reporting.
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