纳指连续三天跌超1%，亚马逊盘后跳水超10%，中概股逆势走强

Market Overview - The software sector and cryptocurrency experienced a significant downturn, with the S&P 500 index falling by 1.23% to 6798.4 points, the Nasdaq Composite down 1.59% to 22540.59 points, and the Dow Jones Industrial Average decreasing by 1.2% to 48908.72 points, marking the worst three-day sell-off since April of the previous year [1][3] - Bitcoin dropped below $64,000, losing nearly half its value over the past six months, while spot silver saw a single-day decline of nearly 20% [1] Employment Data Impact - The recent weak U.S. employment data has halted the recent sector rotation, with 318 stocks in the S&P 500 declining. December job openings unexpectedly fell to the lowest level since 2020, and the number of layoffs reached the highest January level since the severe recession in 2009 [3] - Allianz's Chief Economic Advisor, Mohamed El-Erian, noted that layoffs are occurring despite GDP growth of approximately 4%, indicating a decoupling of employment from economic growth, which could have profound economic, political, and social implications [3] Company-Specific Developments - Amazon's stock plummeted over 10% after announcing a capital expenditure forecast of $200 billion for the year, significantly higher than the previous year's $130 billion and analyst expectations of $150 billion, which negatively impacted its profit guidance [3] - Nvidia's stock fell by 1.33%, while other major tech companies like Apple, Google, and Microsoft also saw declines, with Microsoft down 4.95% and Amazon down 4.42% [6] AI and Software Sector - The software sector faced pressure following the release of a new flagship model by AI company Anthropic, contributing to a broader sell-off in AI-related stocks. FaceSet dropped 7.21%, reaching its lowest point since March 2020, while Thomson Reuters fell over 5%, hitting a new low since 2021 [6] - Amid concerns over AI capital expenditures, some supply chain stocks performed well, such as Tianhong Technology, which rose 6.9% due to Google's $185 billion capital expenditure guidance [6] Chinese Stocks Performance - Chinese stocks showed resilience, with the Nasdaq Golden Dragon China Index rising by 0.9%. Notable performances included NIO up 5.86% and Baidu up 0.73%, while Alibaba and JD.com saw slight declines [7] Other Industry News - Pandora, the world's largest jewelry company, surged 16.83% after announcing plans to reduce reliance on pure silver by introducing platinum-plated jewelry in response to rising silver prices [8] - The proposed merger between Rio Tinto and Glencore to form the world's largest mining group collapsed, with Glencore citing undervaluation of its contribution to the merger [9] - Nvidia announced delays in the release of its RTX 50 series graphics cards due to memory shortages, prioritizing AI chip production instead [10] - Hims & Hers Health plans to launch a cheaper generic version of the oral weight loss drug semaglutide, causing a significant drop in the stock price of Novo Nordisk, which had just received approval for its brand product [11]