[The Nasdaq closed down 0.5%, chip stocks weakened, and Nvidia fell more than 4%] On August 29, the three major U.S. stock indexes closed collectively down, with the Dow Jones Industrial Average falling 0.02%, the Nasdaq Composite falling 0.52%, and the S&P 500 Index falling 0.25%. Most of the "Big Seven Technology" rose, with Amazon rising 3.97%, Microsoft rising 1.68%, Apple rising 1.63%, Google rising 1.53%, Meta rising 1.21%, Tesla falling 1.71%, and Nvidia falling 4.57%. Chip stocks weakened, with the Philadelphia Semiconductor Index falling by 3.47%, ARM falling by more than 6%, Applied Materials and Cerebras Systems falling by more than 4%, Intel, TSMC, AMD, ASML, and Seagate Technology falling by more than 2%.