深夜美股全线大涨，芯片股走强

Group 1: Technology Sector - Nvidia's stock rose over 2% as Meta plans to deploy millions of chips over the next few years, marking the first use of the Grace CPU [2] - The Philadelphia Semiconductor Index increased by 1.72%, with Micron Technology up over 5% and Western Digital rising by 4% after announcing the sale of all its SanDisk common stock for approximately $3.09 billion [2] Group 2: Gold and Silver Market - Gold and silver stocks saw significant gains, with notable increases in companies like Coeur Mining and Vista Gold, as spot gold rose over 2.6% to surpass $5,000, while silver prices increased by 6% to $78 per ounce [2] Group 3: Chinese Stocks - The Nasdaq Golden Dragon China Index rose by 0.49%, with notable gains in companies like Arctech Solar and Alibaba, while some companies like WeRide and iQIYI experienced declines [4] - Hillhouse Capital's HHLR Advisors reported a significant increase in holdings of Alibaba and Pinduoduo, while reducing positions in NetEase and Futu Holdings, focusing on e-commerce, biomedicine, and technology sectors [4] Group 4: Oil Market - International oil prices surged, with WTI and Brent crude futures increasing by 3%, attributed to Slovakia's declaration of a national oil emergency due to disruptions in Russian oil transit [4] Group 5: Cryptocurrency Market - Major cryptocurrencies reversed their downward trend, with Bitcoin climbing back above $67,000, while over 80,000 traders faced liquidation in the past 24 hours [4]