道指首次突破50000点，美股芯片股全线大涨，英伟达涨近8%，黄金白银强势反弹

Market Overview - The US stock market saw all three major indices rise, with the Dow Jones increasing by 2.47% to surpass 50,000 points, marking a historical high. The Nasdaq rose by 2.18%, and the S&P 500 increased by 1.97% [1] Semiconductor Sector - The semiconductor sector experienced a significant surge, with the Philadelphia Semiconductor Index rising by 5.7%. Notably, Nvidia's stock increased by nearly 8%, adding $325 billion to its market capitalization. Other companies like Skyworks Solutions and AMD also saw gains exceeding 8%, while Broadcom rose over 7% and TSMC increased by more than 5% [3] - Nvidia's CEO Jensen Huang stated that the substantial spending on AI is reasonable and sustainable, as cash flows for these companies are expected to rise. He emphasized that as long as consumers are willing to pay for AI, companies will continue to invest heavily in the sector [3] Technology Stocks - Technology stocks showed mixed performance, with Tesla rising by 3.5%, while Microsoft and Apple saw slight increases. Amazon, however, fell by 5.55% [3] Chinese Stocks - Chinese stocks listed in the US saw a broad increase, with the Nasdaq Golden Dragon China Index rising by 3.71%. Notable performers included New Oxygen, which surged over 13%, and Century Internet, which rose over 10%. Other companies like NIO, Li Auto, and Baidu also experienced significant gains [3][4] Precious Metals - Precious metals rebounded strongly, with spot gold rising by 3.98% to $4,966 per ounce, and spot silver increasing by nearly 10% to $77.78 per ounce [5] Oil Prices - International oil prices saw a slight increase, with New York crude oil rising by 0.33% to $63.5 per barrel, and ICE Brent crude oil increasing by 0.68% to $68.01 per barrel [5] Cryptocurrency Market - The cryptocurrency market experienced a collective surge, with Bitcoin surpassing $70,000, recovering nearly all losses since the market crash on Thursday. Ethereum, Dogecoin, and Solana all rose by over 10% [5][7]