Check out some of the companies making the biggest moves midday: Tesla — CEO Elon Musk disclosed he bought $1 billion worth of shares of the electric vehicle maker on Friday, helping send the stock 6% higher. On Semiconductor , Analog Devices , Texas Instruments — China launched an antidumping probe into certain analog chips from the U.S. Shares of On Semiconductor fell 1%, while Analog Devices was fractionally lower and Texas Instrument dropped more than 3%. Western Digital – The storage drive maker raised prices on all hard drives amid “unprecedented demand,” prompting shares to climb more than 5% to a new, all-time high. Alaska Air — The airline fell more than 5% after it said it sees third-quarter earnings per share at the low end of its $1.00-$1.40 guidance. TKO Group Holdings — The owner of Ultimate Fighting Championship and World Wrestling Entertainment surged more than 4% after agreeing to buy back $1 billion in stock under a previous authorization. Whirlpool — Shares fell 2% following a Wall Street Journal report that the appliance maker told The Trump administration its overseas competitors may be circumventing tariffs by undervaluing imports. Brookfield Asset Management — The New York-based alternative asset manager rose almost 2% after entering talks to buy Yes! Communities from Singapore’s GIC for $10 billion, according to the Financial Times, as cited by StreetAccount. Hain Celestial — The maker of Terra chips and herbal teas tumbled 25% after reporting a surprise fiscal fourth-quarter loss of 2 cents per share. Analysts polled by FactSet expected a profit of 3 cents per share. The stock traded around $1.60 and has a market cap of less than $150 million. Gemini Space Station — The Winklevoss’ crypto exchange added 1%. Gemini debuted on the Nasdaq on Friday, jumping 14% during its first day of trading. Corteva — The agriculture company lost 4% following a Wall Street Journal report that it is considering a breakup that would split its pesticide and seed businesses. Hims & Hers Health — The digital health stock fell more than 1%%. Martin Makary, Commissioner of the Food and Drug Administration, said in a medical journal piece that Hims & Hers’ Super Bowl advertisement was a “breach” of regulations. VF Corp. — The owner of Vans and North Face fell about 1% after agreeing to sell its Dickies clothing brand to a private equity firm for $600 million in cash . — CNBC’s Yun Li, Fred Imbert, Michelle Fox and Alex Harring contributed reporting. (Learn the best 2026 strategies from inside the NYSE with Josh Brown and others at CNBC PRO Live. Tickets and info here .)
https://www.cnbc.com/2025/09/15/stocks-making-the-big-premarket-moves-tsla-alk-txn-and-more.html
