美股芯片股普跌，中概股集体大涨，知乎狂飙近22%，阿里涨超8%，黄金白银刷新高

Market Overview - The U.S. stock market opened lower, with major indices showing a decline in pre-market trading [1] - Several semiconductor stocks experienced a drop, including Qualcomm, Lattice Semiconductor, and ON Semiconductor, which fell approximately 3% [1] Semiconductor Sector - Qualcomm's stock price is currently at $172.280, down 3.09% [2] - Lattice Semiconductor is priced at $82.190, down 3.08% [2] - ON Semiconductor is at $60.325, down 2.95% [2] - Intel and ARM also saw declines of nearly 2% [1] Banking Sector - The banking sector faced widespread declines, with Citigroup leading the drop at 3.40% [3] - Other banks like U.S. Bancorp and KB Financial Group also reported declines of 2.33% and 2.11%, respectively [3] Chinese Stocks - Chinese stocks showed a contrary trend, with the Nasdaq China Golden Dragon Index increasing by over 3% [3] - Notable gains included Zhihu and Kingsoft Cloud, which surged over 20% [4] Precious Metals - Gold prices reached $4,620 per ounce, marking an increase of over $300 in the first month of the year [5] - Silver prices also hit record highs, with COMEX silver rising over 8% in a single day [5] U.S. Treasury Bonds - The long-term U.S. Treasury bonds continued to decline, with the 30-year bond yield rising by 5 basis points to 4.86% [6] Dollar Index - The U.S. dollar index experienced a decline of over 0.3% during the day [6] Federal Reserve Investigation - A criminal investigation has been launched against Federal Reserve Chairman Jerome Powell, leading to a surge in gold and silver prices [9] - Analysts suggest that if the Fed loses its independence, it could lead to concerns about inflation and a weakening dollar, resulting in a "triple kill" scenario for stocks, currencies, and bonds [10]