标普500指数跌幅扩大至1%，刷新日低

Core Viewpoint - The S&P 500 index has experienced a decline of 1%, reaching a new daily low, while the Nasdaq has dropped by 1.7% [1] Group 1 - The S&P 500 index's decline indicates a broader market downturn [1] - The Nasdaq's performance reflects a significant drop, suggesting negative sentiment in technology stocks [1]