美股再创新高，英伟达狂飙近5%，黄金一度跌破3900美元

Market Performance - Major US stock indices reached new historical highs, with the Dow Jones up 0.34%, S&P 500 up 0.23%, and Nasdaq up 0.8% on October 28 [1][2] - Nvidia led the gains in the Dow, rising nearly 5%, with a market capitalization approaching $5 trillion [2] - Broad gains were observed in large tech stocks, including Broadcom up over 3% and Microsoft up nearly 2%, with Microsoft's market cap surpassing $4 trillion [3] Notable Stock Movements - Nokia's stock surged nearly 23%, marking its largest single-day gain since January 2021, following Nvidia's announcement of a $1 billion equity investment in Nokia [3] - Chinese concept stocks mostly declined, with the Nasdaq Golden Dragon China Index down 1.23% and notable declines in stocks like Qifu Technology and Xinyi Technology [4] Commodity Prices - Gold prices fell, with spot gold dropping to $3,943.248 per ounce, a decrease of 0.22% [5][6] - Oil prices continued to decline, with WTI crude oil futures down 1.89% to $60.15 per barrel and Brent crude down 1.65% to $63.83 per barrel [5][6] Federal Reserve Expectations - The Federal Reserve began a two-day meeting on October 28, with a 99.5% probability of a 25 basis point rate cut expected during this meeting [6][7] - Market participants are looking for signals from Chairman Powell regarding a potential rate cut in December, amid concerns about a weakening labor market [7]