The three major U.S. stock indexes opened lower, and Nvidia fell 12%

the US stock market opened with the three major indexes down, with the Dow Jones falling 0.8%, the S&P 500 falling 2.2%, and the Nasdaq falling 3.6%. DeepSeek raised concerns about the valuation of chip stocks, causing semiconductor stocks to plummet, with Nvidia (NVDA.O) falling 12%, Broadcom (AVGO.O) falling 13%, TSMC (TSM.N) falling 10%, and ASML (ASML.O) falling 7%. (Jin10)