Tesla, Broadcom, Humana and Mavell Technology rise premarket

Published 08/04/2025, 12:16
© Reuters

Investing.com -- U.S. stock futures rose strongly Tuesday, bouncing after a volatile session, with investors seeking more details over the Trump administration’s tariffs policy.

Here are some of the biggest premarket U.S. stock movers today:

  • Tesla (NASDAQ:TSLA) stock rose 2%, bouncing after losses of around 13% over the last week after the Washington Post reported that CEO Elon Musk had asked U.S. President Donald Trump over the weekend to reverse his sweeping new tariffs.

  • Broadcom (NASDAQ:AVGO) stock rose 3.3% after the chipmaker said it was launching a new share buyback program of up to $10 billion, set to run through the end of the year.

  • Marvell Technology (NASDAQ:MRVL) stock gained 3.9% after Infineon (OTC:IFNNY) Technologies (ETR:IFXGn) said it would buy the semiconductor’s automotive ethernet business for about $2.5 billion in cash.

  • Humana (NYSE:HUM) stock soared 13% and UnitedHealth (NYSE:UNH) jumped 6% after the U.S. announced 5.06% increase in payment rates to private insurers for 2026 Medicare Advantage health plans.

  • United States Steel (NYSE:X) stock rose 1.5%, adding to the previous session’s 16% gain on the news that President Trump had ordered a review of the company's blocked deal with Japan's Nippon Steel (TYO:5401).

  • General Motors (NYSE:GM) stock rose 1.2% after the auto giant revealed a new all-electric Chevrolet Corvette concept car as part of the opening of a new design studio in England, recommitting itself to Europe.

  • CVS Health (NYSE:CVS) stock jumped 8.2% after the healthcare company named United Parcel Service (NYSE:UPS) executive Brian Newman its new chief financial officer, the first top management change for the health insurer under CEO David Joyner’s leadership.

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