今年9月底，英伟达成为了首家市值达到4.5万亿美元的公司。但是在周五，仅英伟达一家的市值就下滑 了近2290亿美元。同时，特斯拉市值蒸发710亿美元，亚马逊市值蒸发1210亿美元，微软市值蒸发850亿 美元。 另外，谷歌母公司Alphabet和脸书母公司Meta股价分别下滑2%和近4%。在周五盘后交易中，亚马逊、 英伟达和特斯拉又下跌了大约2%。(作者/箫雨) 凤凰网科技讯 北京时间10月11日，据CNBC报道，在特朗普发出关税威胁后，美国科技巨头的市值在周 五总计蒸发7700亿美元(约合5.5万亿元人民币)。其中，亚马逊、英伟达和特斯拉股价均下跌约5%。 美国科技巨头的市值动辄上万亿美元，并且在美国股市中所占权重不断上升，它们的股价下跌导致纳斯 达克综合指数在周五下跌3.6%，标普500指数下跌2.7%，均创下自今年4月以来的最大单日跌幅。今年4 月，特朗普宣布将对美国贸易伙伴加征"对等"关税。 ...

Market Overview - The U.S. stock market experienced a significant decline, with the Nasdaq and S&P 500 indices recording their largest single-day drops since April 10 [5][6] - The Nasdaq index fell by 3.56% to 22,204.43 points, while the S&P 500 dropped by 2.71% to 6,552.51 points, marking a weekly decline of 2.43% for the S&P 500 and 2.53% for the Nasdaq [5][6] - Major technology stocks saw substantial losses, with the "Big Seven" tech index down by 3.65% [7] Individual Stock Performance - Notable declines in individual stocks included Tesla down over 5%, Amazon down 5.06%, and Nvidia down 4.92% [7][8] - Alibaba's stock fell by 8.45%, while other Chinese stocks like Bilibili and Baidu also experienced significant drops [9][10] Commodity Market - International oil prices saw a notable decline, with U.S. crude oil futures down 4.24% to $58.90 per barrel, and Brent crude down nearly 3.82% to $62.73 per barrel [12] - Gold prices increased by over 1%, reaching a high of $4,022.90 per ounce [13] Government Employment and Economic Outlook - The Trump administration has begun large-scale layoffs of federal employees, with 200,000 already reduced this year and an additional 100,000 expected by year-end [17][18] - There is a growing belief among traders that the U.S. government shutdown may last until the end of October or longer, with probabilities for a shutdown exceeding 30 days increasing [18] - Federal Reserve officials have indicated a willingness to consider further interest rate cuts in response to a weakening labor market and persistent inflation [18]

（原标题：?美股遭遇"黑色星期五"：纳指暴跌3.56%，创4月以来最大单日跌幅） 针对美股跳水，经济学家丹·格林豪斯表示，"对许多投资者而言，关税问题似乎已经尘埃落定，市场也 已接受了现状。而美国对其最大进口来源国实施'大幅加税'，打破了这种现状，迫使市场重新评估。" 本文系观察者网独家稿件，未经授权，不得转载。 大型科技股普跌。特斯拉跌超5%；亚马逊跌近5%；苹果、Meta跌超3%；微软、谷歌跌超2%；英伟达 跌4.89%。 高通股价下跌7.3%。市场监管总局10日发布消息说，因其收购Autotalks公司未依法申报经营者集中，涉 嫌违反《中华人民共和国反垄断法》，市场监管总局依法对高通公司开展立案调查。 据彭博社报道，当地时间10月10日，美国股市遭遇六个月来最严重的抛售。 美股三大指数集体收跌，道指下跌878.82点，跌幅1.9%；纳指下跌820.20点，跌幅3.56%；标普500指数 下跌182.60点，跌幅2.71%。纳指、标普500指数创4月以来最大单日跌幅。 ...

Market Overview - The U.S. stock market experienced a significant decline, with the Nasdaq and S&P 500 indices recording their largest single-day drops since April 10, 2023 [1][2] - The Nasdaq index fell by 3.56% to 22,204.43 points, while the S&P 500 dropped by 2.71% to 6,552.51 points, marking a weekly decline of 2.43% for the S&P 500 and 2.53% for the Nasdaq [2] Technology Sector - Major technology stocks saw substantial losses, with the "Big Seven" tech index down by 3.65% [3] - Individual stocks such as Tesla, Amazon, and Nvidia each fell over 5%, while Facebook and Apple dropped more than 3% [3] Chinese Stocks - Chinese stocks also faced significant declines, with the Nasdaq Golden Dragon China Index down by 6.1% [4] - Alibaba's stock fell by 8.45%, and other companies like Bilibili and Baidu saw declines exceeding 8% [4] Commodity Prices - International oil prices dropped sharply, with U.S. crude futures down 4.24% to $58.90 per barrel, and Brent crude futures falling nearly 3.82% to $62.73 per barrel [5] - In contrast, spot gold prices increased by over 1%, reaching a high of $4,022.901 per ounce [5] Federal Employment and Economic Outlook - The Trump administration confirmed the initiation of large-scale federal employee layoffs, with 200,000 federal employees already reduced this year and an additional 100,000 expected by year-end [6] - The likelihood of the U.S. government shutdown extending beyond 30 days has increased, with predictions now at 37% [6] Federal Reserve Insights - Federal Reserve officials expressed a willingness to consider further interest rate cuts as a precaution against a weakening labor market, with inflation significantly above target levels [7] - The labor market is perceived to be in a negative growth phase, prompting discussions on the need for cautious policy adjustments [7]

美国股债汇三杀! 当地时间10月10日，美股三大指数集体大跌，道指跌1.9%，纳指跌3.56%，标普500指数跌2.71%。纳 指、标普500指数创4月以来最大单日跌幅，美债收益飙升，美元下跌。 全球资产巨震，黄金大涨、原油下跌，截至发稿，比特币跌破12万美元大关，加密货币集体下跌，全球 爆仓人数超16万。 富时A50期指连续夜盘收跌4.26%，报14340点。 美股三大指数全线大跌 中概指数跌超6% 全球资产震荡 油价下跌、黄金上涨 国际油价全线收跌，美油主力合约跌5.32%报58.24美元/桶，周跌4.34%；布油主力合约跌4.75%报62.12 美元/桶，周跌3.73%。 比特币一度跌破110000美元，截至10月11日7:53，比特币下跌6.81%，加密货币集体下跌，过去24小时 超16万人爆仓。 截至收盘，美国大型科技股普跌，博通跌近6%，特斯拉跌超5%，亚马逊跌超4%，苹果、Meta跌超 3%，微软、谷歌跌超2%。英伟达跌4.89%，其市值一夜蒸发2287亿美元（16318亿元）。 半导体、加密货币概念股跌幅居前，费城半导体指数大跌6.32%，Circle跌超11%，Arm跌超9%， AMD、高通 ...

Market Overview - US stock markets experienced a significant decline, with the Dow Jones falling by 1.9%, the Nasdaq dropping by 3.56%, and the S&P 500 decreasing by 2.71%, marking the largest single-day drop since April [1][2] - Major technology stocks also saw substantial losses, with Broadcom down nearly 6%, Tesla over 5%, and Amazon close to 5% [3] Trade Tensions - President Trump threatened to significantly increase tariffs in response to stricter export controls on rare earth minerals by other countries, raising concerns about worsening international trade relations [7] - The potential tariff increases are part of a broader strategy to counteract actions taken by other nations, as stated by Trump on his social media platform [7] Government Shutdown and Layoffs - The US federal government has entered its tenth day of shutdown, leading to the initiation of employee layoff procedures as confirmed by the White House [8][9] - The layoffs are part of a plan to reduce the size of the federal government, with the Department of Education also included in the latest round of cuts [10] Commodity Prices - International gold prices rose, with COMEX gold futures increasing by 1.58% to $4035.5 per ounce, marking a weekly gain of 3.15% [11] - Conversely, international oil prices fell sharply, with WTI crude oil futures down 4.24% to $58.90 per barrel, and Brent crude oil futures down 3.82% to $62.73 per barrel, reflecting a weekly decline of 3.25% and 2.8% respectively [12]

Market Overview - The U.S. stock market experienced a significant drop, with the S&P 500 index falling by 2.71% to 6552.51 points, marking the largest single-day decline since April [1] - The Nasdaq Composite index decreased by 3.56% to 22204.43 points, also the largest drop since April [1] - The Dow Jones Industrial Average fell by 1.9% to 45479.6 points [1] Commodity and Asset Performance - Crude oil and metals faced severe losses, with WTI crude oil dropping over 4%, nearing its lowest point of the year [4] - Copper prices fell by 4.5%, while spot gold rose above $4000 per ounce [4] - The yield on the 10-year U.S. Treasury bond decreased by nearly 8 basis points [4] Cryptocurrency Market - Bitcoin experienced significant volatility, with intraday losses exceeding 10% [5] Investor Sentiment and Market Risks - Analysts noted that the recent market downturn was anticipated due to prior gains since April, indicating a risk of substantial adjustments in the U.S. stock market [5] - The sentiment was further dampened by comments from the U.S. Office of Management and Budget regarding the government shutdown and employee layoffs [5] Stock Performance of Major Companies - Major tech stocks saw declines, including Nvidia down 4.89%, Microsoft down 2.19%, and Apple down 3.45% [6] - Post-market trading also reflected declines for tech giants, with Nvidia, Tesla, and Oracle all dropping over 2% [7] Chinese Stocks Impact - The Nasdaq Golden Dragon China Index fell by 6.10%, with Alibaba down 8.45% and JD down 6.24% [9] Company-Specific News - Tesla launched a lower-priced version of the Model Y in Europe, priced at €39,990 (approximately $46,304), aimed at boosting demand in a sluggish market [10] - U.S. fertilizer producer Mosaic's stock dropped by 9.24% due to operational disruptions at its phosphate plant, resulting in lower-than-expected production and sales [11] - A coalition of global banks, including Goldman Sachs and Bank of America, announced plans to explore the issuance of a stablecoin backed by reserves [12]

Core Viewpoint - The U.S. stock market experienced a significant downturn, referred to as "Black Friday," with major indices suffering substantial losses due to rising uncertainties and macroeconomic concerns [2][4][10]. Market Performance - On October 10, U.S. stock indices fell sharply, with the Dow Jones dropping by 1.9%, the Nasdaq plunging by 3.56%, and the S&P 500 declining by 2.71% [4]. - Major tech stocks also faced heavy losses, with TSMC ADR down over 6%, Broadcom and Tesla down over 5%, and Nvidia and Amazon down over 4% [6]. - Chinese stocks listed in the U.S. were affected as well, with the Nasdaq Golden Dragon China Index falling over 6% [6]. Global Market Impact - European markets also saw declines, with the Euro Stoxx 50 index down 1.75% and major indices in Germany, France, and Italy dropping over 1% [7]. - Commodities like WTI crude oil fell over 4%, nearing yearly lows, while Bitcoin experienced a drop of over 13% [7]. Investor Behavior - The uncertainty in the market led to a surge in demand for protective derivatives, with investors flocking to safe-haven assets like gold and U.S. Treasury bonds [8]. - Gold prices rose over 1%, surpassing $4000 per ounce, while the yield on the U.S. 10-year Treasury note fell to 4.034% [8]. Macroeconomic Indicators - The preliminary consumer confidence index from the University of Michigan for October was reported at 55, the lowest since May, indicating stagnant consumer sentiment [12]. - Approximately 63% of respondents expect unemployment to rise next year, and over two-thirds anticipate inflation to exceed income growth [12]. Government Actions - The U.S. government shutdown has escalated, with the Trump administration initiating large-scale permanent layoffs of federal employees, marking a departure from previous practices during shutdowns [10][11].

Core Insights - Major tech companies are increasingly engaging in "reverse acquisition-style hiring" to acquire top talent and technology from AI startups, often leaving the remaining employees struggling in the aftermath [3][4][5][6][7][8][9][11] Group 1: Reverse Acquisition Trends - Companies like Meta, Google, and Microsoft are prioritizing the acquisition of talent and technology licenses over outright purchases of startups, which helps them avoid regulatory scrutiny [3][4][5][6][7][8][9][11] - Since March of the previous year, there have been six notable instances of this trend, with expectations for more as the competition for AI talent intensifies [3] Group 2: Specific Company Actions - Google DeepMind acquired key personnel and technology from Windsurf for $2.4 billion, without taking equity or control of the startup [4] - Meta's acquisition of Scale AI involved a $15 billion deal for core engineers and a 49% stake, leading to a 14% workforce reduction shortly after [5] - Google spent $2.7 billion on Character.AI, acquiring its founders and technology while shifting the startup's focus to AI character development [6] - Amazon's acquisition of Covariant for $380 million included hiring three founders and a quarter of the staff, while obtaining a non-exclusive license for its robotics technology [8] - Amazon also acquired Adept, hiring its CEO and most of the team, while the startup shifted to a more sustainable business model [9][10] - Microsoft's acquisition of Inflection for approximately $653 million involved hiring its founders and most employees, with a significant portion of the funds allocated for licensing its AI models [11]

Market Overview - On October 10, U.S. stock markets experienced a significant decline, with the Dow Jones falling by 878.82 points (1.9%), the Nasdaq dropping by 820.20 points (3.56%), and the S&P 500 decreasing by 182.60 points (2.71%). This marked the largest single-day drop for the Nasdaq and S&P 500 since April [1][2]. Technology Sector - Major technology stocks saw widespread declines, with Broadcom down nearly 6%, Tesla falling over 5%, and Amazon dropping close to 5%. Notably, Nvidia's stock price fell to $183.16, resulting in a market capitalization loss of $228.7 billion (approximately 1.63 trillion yuan) [2]. Semiconductor and Cryptocurrency Stocks - The Philadelphia Semiconductor Index plummeted by 6.32%, with significant losses in stocks such as Circle (down over 11%), Arm (down over 9%), and AMD, Qualcomm, and Coinbase each down over 7%. Bitcoin also saw a sharp decline, dropping below $110,000 with a 24-hour decrease of 9.16% [4][5]. Commodity Markets - COMEX gold futures rose by 1.58% to $4,035.5 per ounce, marking a weekly increase of 3.15%. In contrast, WTI crude oil futures fell by 4.24% to $58.90 per barrel, with a weekly decline of 3.25% [7]. Consumer Confidence and Economic Indicators - The preliminary consumer confidence index from the University of Michigan for October was reported at 55, the lowest since May, slightly above the forecast of 54.2. The index reflects mixed sentiments regarding personal financial situations and future economic conditions [11].