AI抢饭碗”冲击美股，纳指“跌跌不休

Group 1 - The technology sector is experiencing significant pressure, with notable declines in software stocks, particularly highlighted by Nvidia's CEO comments on AI tools [1] - The S&P 500 index closed down 0.51% at 6882.72 points, while the Nasdaq Composite fell 1.51% to 22904.58 points, marking a breach of the 100-day moving average [1] - Wolf Research's chief investment strategist suggests that after a surge in tech stocks, other sectors may perform better, indicating a potential shift in market dynamics [1] Group 2 - Despite a three-year bull run, over half of the S&P 500 companies that provided 2026 earnings forecasts exceeded analyst expectations, surpassing the historical average of 40% [2] - Goldman Sachs strategists maintain a positive outlook for the U.S. stock market, citing solid fundamentals and economic growth, although they caution against signs of economic slowdown [2] - The ADP report indicates a significant drop in job creation, with only 22,000 jobs added in January, well below the expected 48,000, raising concerns about the labor market [2] Group 3 - The appointment of a new Federal Reserve chair, who supports balance sheet reduction, raises concerns about potential market impacts, as historical data shows significant market pullbacks following such transitions [3] - The average maximum drawdown of the S&P 500 in the first six months after a new Fed chair takes office has been 5%, 12%, and 16% respectively, indicating heightened market volatility [3] - The market is particularly anxious about the new chair's potential hawkish stance, with significant tests expected after May [3]