美股芯片股，全线下跌

Market Overview - The U.S. stock market opened significantly lower on March 3, with the Dow Jones Industrial Average down 1.82%, the Nasdaq down 1.75%, and the S&P 500 down 1.53% [1][2]. Index Performance - Dow Jones Industrial Average: 48,013.59, down 891.19 points, a decrease of 1.82% [2]. - Nasdaq Index: 22,351.75, down 397.11 points, a decrease of 1.75% [2]. - S&P 500: 6,776.44, down 105.18 points, a decrease of 1.53% [2]. Sector Performance - Semiconductor stocks experienced significant declines, with Micron Technology falling over 8%, Western Digital down over 7%, and other major players like SanDisk, TSMC, ASML, and Intel all down over 5%. Broadcom and NVIDIA also saw declines of over 2% [2]. - Gold stocks fell, with Kinross Gold down over 10% and Harmony Gold down over 7% [2]. - Chinese concept stocks generally declined, with Global Data down over 7%, and Alibaba and Baidu both down over 4% [2]. - Energy stocks, in contrast, rose, with Occidental Petroleum up nearly 2%, and ExxonMobil and Chevron also seeing increases [2].