U.S. Stocks Slide as Tariff Tensions Escalate U.S. markets saw sharp declines as tariff disputes intensified, with the S&P 500 entering correction territory. While inflation data showed signs of easing, trade tensions and tech sector losses dragged indexes lower. The Dow fell 1.30%, the S&P 500 dropped 1.39%, and Nasdaq slid 1.96%, reflecting investor unease.56