Check out the companies making the biggest moves in midday trading: Stanley Black & Decker — The power toolmaker jumped more than 4% after it said recent changes to Section 232 tariffs aren’t supposed to have a material impact on its full-year forecast . Section 232 tariffs set a general 50% rate on aluminum, steel and certain related products while some specific copper and derivative products are subject to a 25% rate, per the White House . Fermi — Shares of the energy infrastructure developer fell more than 22% following the resignation of CFO Miles Everson , just days after CEO Toby Neugebauer departed . Fermi was co-founded by former Energy Secretary Rick Perry to supply power to AI data center projects. Compass Pathways , AtaiBeckley — The psychedelic-focused drug developers were among several mostly smaller stocks surging in the wake of President Donald Trump’s executive order to accelerate research and access to psychedelic medicines. AtaiBeckley stock jumped more than 25%, while Compass rose nearly 40%. Biogen — The biotech’s stock rose nearly 3% after agreed to pay TJ Biopharma $850 million for the exclusive rights in China to sell felzartamab, an experimental treatment for immune-related diseases such as IgA nephropathy. The deal gives Biogen worldwide rights to develop and market the drug. Airlines — The group was under pressure Monday as investors worry that renewed U.S.-Iran tensions will keep energy prices elevated and push consumers to travel less. American Airlines tumbled nearly 5%, while United Airlines slipped more than 2%. JetBlue Airways and Delta Air Lines shed about 1% each. Fertilizer stocks — The persisting snarl in shipping traffic in the Strait of Hormuz also drove trading of chemical and fertilizer stocks Monday. Shares of CF Industries rose nearly 2% after falling about 10% Friday. Dow and LyondellBasell Industries climbed about 4% and 2%, respectively, after falling double digits Friday. Marvell Technology , Broadcom — Marvell shares jumped more than 4% after a report by The Information said the company is in talks with Google to build two new AI chips. Broadcom, which recently agreed to produce future versions of Google’s AI chips, fell nearly 2% on the report. TopBuild — The installer and distributor of insulation materials jumped more than 16% after QXO announced it would acquire the company for $17 billion. In a release, QXO said the acquisition will create a higher-margin business and it will immediately add to its earnings. Still, QXO shares tumbled nearly 8% on the news of the deal. AST SpaceMobile — Shares fell 8% after a satellite launched over the weekend was placed into the wrong orbit. The company said in a release it expects the cost of the satellite to be recovered by an insurance policy, and it still plans to conduct orbital launches once every month to two months in 2026. Cruise lines — Concerns over fuel costs rising again and consumer demand weighed on these stocks on Monday. Carnival fell 1%, Norwegian Cruise Line tumbled nearly 5%, and Royal Caribbean Group slipped nearly 3%. — CNBC’s Fred Imbert and Nick Wells contributed reporting.
Stocks making the biggest moves midday: SWK, AAL, DOW, MRVL
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