多只热门中概股跌逾4%，美股三大指数齐跌，黄金白银跳水

Group 1: Technology Sector - The major technology stocks showed mixed performance, with the Wande American Technology Seven Giants Index declining by 0.51%. Amazon fell nearly 2%, Apple dropped over 1%, Tesla decreased by 0.82%, and Nvidia fell by 0.49%. In contrast, Facebook rose by 0.02%, Google increased by 0.49%, and Microsoft gained 0.56% [1] - Tesla reported third-quarter revenue of $28.1 billion, exceeding the estimate of $26.36 billion. The operating profit for the third quarter was $1.62 billion, slightly below the forecast of $1.65 billion, with a gross margin of 18.0% [1] - Apple faced an antitrust complaint from the EU regarding App Store terms and reduced production orders for the iPhone Air while increasing orders for other iPhone 17 models. The market response to the iPhone Air's official launch in China was lukewarm [1] Group 2: Banking Sector - Bank stocks experienced a broad decline, with JPMorgan falling over 1%, Goldman Sachs dropping nearly 2%, Citigroup decreasing by nearly 2%, Morgan Stanley down by 0.7%, Bank of America falling by 0.83%, and Wells Fargo declining over 1% [1] Group 3: Energy Sector - Energy stocks collectively rose, with ExxonMobil increasing nearly 2%, Chevron rising over 1%, ConocoPhillips up more than 1%, Schlumberger gaining over 4%, and Occidental Petroleum increasing over 2% [1] Group 4: Semiconductor Sector - The semiconductor stocks mostly declined, with the Philadelphia Semiconductor Index dropping by 2.36%. Notable declines included ON Semiconductor falling over 5%, Texas Instruments down over 5%, and Microchip Technology decreasing by over 4% [2][3] Group 5: Chinese Stocks - The Nasdaq China Golden Dragon Index fell by 0.92%, and the Wande Chinese Technology Leaders Index dropped by 0.90%. Individual stocks like Pony.ai fell nearly 7%, Hesai Technology decreased over 5%, and JD.com and Baidu dropped over 1% [4][5] Group 6: Precious Metals - Gold and silver prices experienced a significant drop, with gold spot prices falling below $4,090 per ounce. Earlier in the year, gold prices had surged, with a cumulative increase of around 57% [6][9] - The recent decline in gold prices was attributed to profit-taking by holders and a rise in the U.S. dollar index, which increased by 0.4% [9]