U.S. stocks experienced a significant decline, with major indexes extending their losses. The S&P 500 fell by 1.0%, while the Dow Jones Industrial Average decreased by 0.6%. The NASDAQ Composite saw a more substantial drop, declining by 1.3%. This downturn followed comments from Federal Reserve Chairman Jerome Powell and the release of economic data. The S&P 500 had already shown signs of weakness, dipping slightly by 0.1% and then by 0.3% before the more pronounced fall. The NASDAQ was down 1.02%, and the NASDAQ 100 also fell more than 1%.