[The Nasdaq closed down 0.08%, Nvidia fell 1.6%] On August 27, the three major U.S. stock indexes closed slightly lower, with the Dow Jones Industrial Average falling 0.21%, the Nasdaq Composite Index falling 0.08%, and the S&P 500 Index falling 0.02%. The "Seven Giants of Technology" had mixed gains and losses. Nvidia, which is about to announce its financial report, fell by 1.59%, Apple rose by 1.15%, Meta Platforms rose by 1.07%, Microsoft rose by 0.95%, Amazon fell by 0.30%, Google fell by 1.23%, and Tesla fell by 1.26%. Chip stocks rose more than they fell, Western Digital rose more than 4%, ARM and Seagate Technology rose more than 3%, Qualcomm and SanDisk rose more than 1%, Intel rose 0.87%, Micron Technology rose 0.8%; NXP fell 0.7%, Broadcom fell 0.3%. The optical communications sector strengthened, with Lumentum rising more than 6% and Corning rising more than 3%.