[U.S. Stock Market's Three Major Indexes Close Lower, SanDisk Drops 9%] BlockBeats News, on August 19, the three major U.S. stock market indexes collectively closed lower. The Dow Jones Industrial Average fell 0.22%, the S&P 500 Index dropped 0.69%, and the Nasdaq Composite Index declined 1.32%. SanDisk fell 9.01%, Apple rose 1.49%, Microsoft increased 0.23%, Google dropped 0.02%, Amazon fell 0.70%, Tesla declined 0.72%, Nvidia dropped 2.36%, and Meta Platforms fell 4.47%.