财联社·2026-02-06 23:44Market Overview - After three days of selling pressure, the US stock market experienced a significant rebound, with the S&P 500 index recording its largest single-day gain since May of the previous year, and the Dow Jones Industrial Average surpassing the 50,000 points mark for the first time in history [1] - The S&P 500 index rose by 1.97% to close at 6,932.3 points, the Nasdaq Composite increased by 2.18% to 23,031.21 points, and the Dow Jones Industrial Average climbed by 2.47% to 50,115.67 points [1] Key Stock Performances - Nvidia saw a single-day increase of over 7%, adding more than $320 billion to its market capitalization, while other cyclical/value stocks like Caterpillar, Goldman Sachs, and JPMorgan also attracted significant capital inflows [1] - Despite the overall market rally, Amazon's stock fell over 5% after announcing a capital expenditure of up to $200 billion for 2026, indicating skepticism about AI spending [4] - Major tech stocks showed mixed results, with Nvidia up 7.87%, Apple up 0.8%, Google-A down 2.53%, and Microsoft up 1.9% [6] Sector Movements - The precious metals sector, represented by silver, rebounded nearly 10%, while Bitcoin surged close to 12%, reflecting a risk-on sentiment in the market [3] - The semiconductor sector performed well, with AMD rising 8.28%, and companies supporting Amazon's chip production, such as Marvell Technology, increasing by 8.18% [6] Chinese Stocks Performance - Chinese stocks continued their strong performance, with the Nasdaq Golden Dragon China Index rising by 3.71%. Notable gains included Alibaba up 3.01%, JD.com up 2.75%, and NIO up 7.23% [7] Company-Specific News - Tesla is reportedly evaluating options to increase its solar production capacity, including expanding its Buffalo, New York plant to 10 gigawatts and potentially building additional factories in New York, Arizona, or Idaho [8] - The FDA announced plans to crack down on illegal GLP-1 drugs, impacting companies like Hims & Hers Health, which saw a post-market drop of over 13% [9] - Stellantis faced a significant decline of 23.69% after announcing a restructuring plan that would lead to a €22.2 billion loss due to a reduction in its electric vehicle business [10]