[U.S. Stock Market's Three Major Indexes Close Lower, Storage and Optical Communication Sectors Rise Against the Trend] The three major U.S. stock indexes collectively closed lower: the Dow Jones fell 0.77%, the Nasdaq fell 0.64%, and the S&P 500 fell 0.48%. The storage sector moved higher, with SK Hynix up over 7%, Micron Technology up over 2%, and SanDisk up over 1%. The optical communication sector also rose, with Marvell Technology up over 4% and Lumentum up over 1%. Meta rose over 6% after the company launched its personal AI assistant, Muse. Apple fell 0.28% following its event unveiling the iPhone 18 Pro series and the foldable iPhone Duo.