The U.S. stock market experienced another challenging session today, Tuesday, November 18, 2025, extending its recent losing streak as investors continued to dial back on tech exposure amid concerns over artificial intelligence (AI) valuations and a looming wave of economic data releases. All three major indexes closed lower for the second consecutive day, with the Dow Jones Industrial Average and S&P 500 marking their fourth straight session of declines.Market Performance RecapMajor market indexes faced si ...