U.S. Stock Futures Slip as Key AI Stocks Fall on Valuation Concerns

U.S. stock futures were down Thursday night after a selloff in major AI stocks that dragged the market lower earlier in the day. Futures on the Nasdaq 100 (NDX), the Dow Jones Industrial Average (DJIA), and the S&P 500 Index (SPX) were down 0.6%, 0.1... [984 chars]