Palantir盘中一度重挫9%！科技股抛售加剧，标普500市值一度蒸发万亿美元

Core Viewpoint - The article discusses the ongoing sell-off in the U.S. stock market, primarily driven by technology stocks, highlighting concerns over high valuations and the Federal Reserve's hawkish stance [1][3][5]. Group 1: Market Trends - The sell-off led by technology stocks has resulted in the U.S. stock market declining for four consecutive trading days, with the S&P 500 index experiencing its largest single-day drop since early August [3]. - Nvidia's stock fell nearly 4% before the release of the Federal Reserve's meeting minutes, although the decline later narrowed [3][5]. - Palantir, a key indicator of speculative interest in the market, saw its stock drop over 9% in a single day, marking a cumulative decline of 23.87% since August 12, and achieving its longest losing streak since April 2024 [1][3]. Group 2: Federal Reserve Insights - The Federal Reserve's July meeting minutes indicated that officials are more concerned about the upward risks of inflation compared to the risks of weak employment [5]. - Following the release of the minutes, investors shifted their focus to Fed Chair Jerome Powell's upcoming speech at Jackson Hole, seeking clues about future policy directions [5]. Group 3: Technology Sector Dynamics - Technology stocks, which have been the main drivers of the market due to strong demand for AI products and cloud services, are now becoming the leading laggards, raising concerns about concentration risk [7][8]. - Analysts warn that the high weight of technology stocks could lead to a broader market decline if they continue to fall, with some suggesting that investors may prefer to hold cash instead of taking on more risk [9]. Group 4: Investor Sentiment - Investor opinions are divided regarding the recent market downturn, with some viewing it as a buying opportunity, while others believe that high valuations necessitate profit-taking [10][12]. - JPMorgan's Andrew Tyler suggests that Powell's speech could change market direction, indicating that the current situation is a test for buyers [11]. - BMO's Carol Schleif notes that the market has "fully" priced in future positives, leaving little room for error, and any disappointing news could disrupt the fragile balance [13].