The death of a third patient tied to a Sarepta Therapeutics gene therapy this year sent the company’s shares nosediving 36% Friday, halting the momentum the stock generated just a day earlier after ...

U.S. stocks ended the week mostly higher, with the S&P 500 (+0.6%) and Nasdaq (+1.5%) setting new record highs, lifted by strong Q2 earnings and softer-than-expected inflation data. June retail sales ...

When three patients die after taking a cutting-edge drug, most companies hit the brakes. Not Sarepta Therapeutics. The ...

Just a day after the S&P 500 and Nasdaq climbed into record territory, U.S. stocks end mixed, with American Express (AXP) and 3M (MMM) dragging the Dow, and more tariff drama muting markets.