美股大跌！纳指跌逾2%，思科大跌逾12%，中概指数跌3%

Core Viewpoint - The U.S. stock market experienced a significant decline, with major indices falling collectively, indicating a bearish sentiment among investors [1] Market Performance - The Dow Jones Industrial Average dropped by 1.34% - The Nasdaq Composite fell by 2.03% - The S&P 500 index decreased by 1.57% [1] Sector Performance - Large technology stocks saw widespread declines, with Apple down by 5%, Broadcom falling over 3%, and Amazon, Meta, and Tesla each dropping more than 2% - Cisco experienced a notable decline of over 12% [1] Gainers and Losers - In terms of sector performance, storage concept stocks and food retail showed gains, with SanDisk and Seagate Technology rising over 5%, and Western Digital and Walmart increasing by more than 3% - Precious metals and cryptocurrency sectors faced significant losses, with U.S. Gold Corp, Pan American Silver, and Robinhood each dropping over 8%, while Coinbase fell by over 7% and Circle decreased by over 2% [1] Chinese Stocks - The Nasdaq Golden Dragon China Index declined by 3% - Among popular Chinese stocks, Tencent Music fell by 10%, Ctrip dropped by 6%, and Beike decreased by 5.8% - Other notable declines included Bilibili, Baidu, Canadian Solar, and Yum China, each down over 4%, while Alibaba fell by 3.4% - On a positive note, Atour and Century Internet saw increases of 1.2% and 3.7%, respectively [1]