U.S. stock index futures are showing a mixed performance this Friday morning, September 19, 2025, as investors digest a recent Federal Reserve interest rate cut and look ahead to upcoming economic data. After major indexes closed at record highs on Thursday, premarket trading suggests a cautious start to the day, with S&P 500 (SPX), Nasdaq 100 (US100:IND), and Dow Jones Industrial Average (INDU) futures experiencing slight fluctuations. This follows a period of robust gains driven by optimism surrounding mo ...