[U.S. Stock Market's Three Major Indexes Closed Lower] The three major U.S. stock indexes collectively closed lower: the Dow fell 0.35%, the Nasdaq fell 0.15%, and the S&P 500 fell 0.02%. Most popular tech stocks declined, with semiconductor equipment and materials, as well as storage stocks, leading the losses. SpaceX dropped over 4%, while Micron Technology and SK Hynix fell over 3%.