凤凰网财经·2025-11-09 10:59Group 1 - The core viewpoint of the article highlights a significant decline in U.S. tech stocks and cryptocurrencies, with the Nasdaq index dropping over 3% in a week, marking its worst performance since April [1][6] - Nvidia, which recently became the world's most valuable company, saw its stock drop over 7%, resulting in a market cap loss of approximately $350 billion [2] - Eight leading companies closely associated with AI have collectively lost about $800 billion in market value, with U.S. companies related to AI losing nearly $1 trillion [3] Group 2 - Concerns are rising regarding the sustainability of the AI "myth" in the U.S. market, as investors recognize that the high valuations are based on uncertainty and that 95% of companies using generative AI have not turned a profit [6][7] - The competition from China is also eroding investor confidence, as nearly half of the global AI talent is sourced from China, which is taking a more pragmatic approach to AI development compared to the U.S. [7] - Goldman Sachs and Morgan Stanley predict a potential 10% to 20% market correction in the U.S. stock market over the next 1-2 years due to the tech stock bubble, while expressing optimism about the Chinese market, particularly in AI, electric vehicles, and biotechnology [8] Group 3 - The cryptocurrency market experienced a significant downturn, with Bitcoin losing the $100,000 mark and nearly erasing all gains made in the first ten months of the year within just over a month [11] - Major cryptocurrencies like Bitcoin and Ethereum saw a 40% to 50% drop in trading volume, with over 130,000 investors facing liquidation [12] - Institutional demand for Bitcoin has declined for the first time in seven months, indicating a retreat from large buyers and a general risk-averse sentiment in the market [14]