A look at companies making waves before the market opens. Nvidia — Shares fell 2%, adding to a decline from Thursday when Nvidia closed down 3.5%. The AI chipmaker briefly surpassed Microsoft to become the most valuable public company on Tuesday, but has since retreated. Sarepta Therapeutics — Shares of the biopharmaceutical company surged 37% after the U.S. Food and Drug Administration approved expanded use of Sarepta’s gene therapy drug Erevidis to treat patients with Duchenne muscular dystrophy. The treatment was previously approved for all patients age 4 and older who can walk, but accelerated approval was given to patients who can’t walk. Nike — The sportswear maker rose 1% after Oppenheimer upgraded the stock from market average to outperform. The firm also restored Nike to its top mega-cap list, saying the stock should recover gradually as the company refocuses on product innovation and brand building. Asana — Shares surged more than 3% after the software company announced a $150 million share repurchase plan. The company expects the plan to last until June 30, 2025. Gilead Sciences — The drugmaker’s stock rose more than 2.6%, following an 8.5% rise the previous day. On Thursday, Gilead announced that its HIV shot was successful in a late-stage trial. LendingTree — Shares in the online lending marketplace fell slightly after Bloomberg reported that hackers are now auctioning data stolen from the site. LendingTree was the victim of a cyberattack on cloud computing company Snowflake. Apple — The iPhone maker’s shares rose after a price increase by Bernstein. Analyst Toni Sacconaghi argued that the more bullish outlook was linked to his view that Apple could emerge as a leader in the artificial intelligence boom “rather than a laggard.” Delta Air Lines — Shares rose 0.7% after reports Thursday that the airline declared a quarterly dividend of 15 cents a share, a 50% increase from previous levels. — CNBC’s Brian Evans, Michelle Fox, Jesse Pound and Sarah Ming contributed to the report.