美股全线大涨，存储芯片集体爆发，英特尔涨近12%，中概股普涨，特朗普称不会对欧洲加征关税

Core Viewpoint - The U.S. stock market experienced a significant rebound, with major indices rising after President Trump's signals to ease tensions regarding Greenland and tariffs, reversing a previous sell-off triggered by geopolitical risks [1][10]. Group 1: Stock Market Performance - On January 21, U.S. stock indices collectively rose, with the Dow Jones up 1.21%, Nasdaq up 1.18%, and S&P 500 up 1.16%, marking the largest single-day gain since November of the previous year [1]. - Major technology stocks saw gains, with SanDisk rising over 10% and Intel increasing nearly 12%. Other notable performers included Western Digital up over 8%, Micron Technology up over 6%, and Nvidia and Tesla both up nearly 3% [3]. Group 2: Bond and Commodity Markets - The yield on 10-year U.S. Treasury bonds fell by 4.7 basis points, while the 30-year yield decreased by 5 basis points, indicating reduced pressure on long-term U.S. debt [7]. - Gold prices briefly approached a historical high near $4,900 before retreating, ultimately closing up 1.2% around $4,800. In contrast, silver prices fell by 1.3% [7]. Group 3: Oil and Cryptocurrency Markets - International oil prices saw slight increases, with WTI crude oil futures closing at $60.62 per barrel, up 0.43%, and Brent crude oil futures at $65.24 per barrel, up 0.49% [8]. - Major cryptocurrencies experienced upward movement, with Bitcoin rising over 2% to surpass $90,000, and Ethereum also increasing by over 2% [8].