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美政府“关门”进入第39天,美股上演“周五惊魂”,“AI八巨头”单周蒸发8000亿美元;“次贷预言家”年内第二次做空英伟达;比特币一个月跌掉18%|一周国际财经

Group 1 - Michael Burry, known as the "Big Short," has again shorted Nvidia, with approximately 80% of his fund's assets allocated to short positions on Nvidia and Palantir, totaling over $1 billion in nominal value [5][6][10] - Following the announcement of Burry's short positions, Nvidia's market value dropped by approximately $455.1 billion (around 3.24 trillion RMB) over four trading days, with Nvidia's stock price falling by 9% [6][11] - Market interest in shorting Nvidia is reportedly declining, with short positions decreasing from about 315 million shares to approximately 211 million shares between June 2024 and October 2025 [8][23][25] Group 2 - Burry's fund, Scion Asset Management, holds about $1.38 billion in total assets, with significant investments in put options for Nvidia and Palantir, valued at approximately $186.58 million and $912.10 million, respectively [7][10] - The CEO of Palantir, Alex Karp, has publicly criticized Burry's actions, asserting that the companies he is shorting are profitable and that their performance will improve in response to his shorting [20] - Palantir reported a 63% year-over-year increase in revenue for the third quarter, totaling $1.18 billion, and has consistently exceeded analyst expectations for 21 consecutive quarters [20] Group 3 - The broader market has shown volatility, with major indices experiencing significant fluctuations, including a V-shaped recovery after initial declines [30][36] - The tech sector, particularly AI-related companies, has faced scrutiny over high valuations, with concerns that a reversal in market sentiment could lead to a sharp correction [27][28] - Investment banks are adopting a dual strategy of supporting AI investments while simultaneously preparing for potential downturns by shorting stocks in the sector [29]