The three major U.S. stock indexes opened lower, with Nvidia dropping 12%

ChainCatcher news, U.S. stock market opens, the three major indices open lower, with the Dow down 0.8%, the S&P 500 down 2.2%, and the Nasdaq down 3.6%.

DeepSeek raises concerns about chip stock valuations, leading to a sharp decline in semiconductor stocks, with Nvidia (NVDA.O) down 12%, Broadcom (AVGO.O) down 13%, TSMC (TSM.N) down 10%, and ASML (ASML.O) down 7%.

In the cryptocurrency concept stocks, Coinbase is down 5.5%, and MicroStrategy is down over 4%.