[The three major U.S. stock indexes collectively opened lower, with optical communications and memory chip sectors generally falling] On September 1, the three major U.S. stock indexes collectively opened lower, with the Dow Jones Index falling 0.64%, the S&P 500 Index falling 0.70%, and the Nasdaq Composite Index falling 1.28%. Optical communications and memory chip sectors generally fell. Corning and Marvell Technology fell by more than 3%, Intel and SanDisk fell by more than 2%, and Western Digital, Seagate Technology, SK Hynix, and Micron Technology fell by more than 1%. Fervo shares rose more than 7% after it was reported that the company had signed a nearly 400-megawatt geothermal power supply agreement with Google.