美股科技股抛售潮加剧 降息预期受挫加剧市场恐慌

Group 1 - The U.S. stock market experienced a significant sell-off led by technology stocks, with major indices breaking support levels [1] - The S&P 500 index opened down 0.8%, continuing the decline driven by tech stocks and fell below the 50-day moving average [1] - The Nasdaq 100 index opened down 1%, reflecting the impact of the tech sell-off [1] Group 2 - The Dow Jones Industrial Average decreased by 1.1%, indicating a broader market downturn [1] - The Chicago Board Options Exchange Volatility Index rose above 22, suggesting increased market volatility [1] - Concerns about the Federal Reserve potentially not lowering interest rates in the next meeting have intensified, replacing previous worries about government shutdowns [1]