美股半导体突发，尾盘跳水！

Market Overview - The U.S. stock market closed mixed on October 14, with the Dow Jones Industrial Average rising by 0.44% to 46,270.46 points, while the S&P 500 fell by 0.16% to 6,644.31 points, and the Nasdaq Composite dropped by 0.76% to 22,521.70 points [2][3]. Sector Performance - Financial stocks mostly rose, with Wells Fargo surging over 7%, Citigroup increasing nearly 4%, and Bank of America rising over 2%. However, Goldman Sachs fell by over 2%, and JPMorgan Chase dropped more than 1% [7]. - Energy stocks showed mixed results, with Schlumberger up nearly 1%, while ConocoPhillips and Occidental Petroleum experienced slight declines [8]. - Airline stocks saw significant gains, with Delta Air Lines and Southwest Airlines both rising over 4%, and American Airlines and United Airlines increasing nearly 4% [9]. Semiconductor Sector - The Philadelphia Semiconductor Index experienced a late-session drop, closing down 2.28%. Notable declines included Nvidia and Intel, both falling over 4%, along with Micron Technology and Broadcom, which also saw declines exceeding 3% [3][6]. Chinese Stocks - Chinese stocks listed in the U.S. faced overall declines, with the Nasdaq Golden Dragon China Index falling by 1.95%. Specific declines included Zai Lab dropping nearly 6%, and several other companies like NIO and Baidu falling over 4% [10]. However, some companies like Canadian Solar and Daqo New Energy saw gains, with increases of nearly 11% and over 4%, respectively [10].