Dow Drops 800 Points, Nasdaq Falls 2.3%. AI Worries and More Reasons the Stock Market Got Rocked Today.

Core Insights - The stock market experienced its worst day in a month, with significant declines across major indexes due to a wave of technology stock selling [1][2]. Group 1: Market Performance - The Dow Jones Industrial Average fell by 816 points, or 1.7% [2]. - The S&P 500 also decreased by 1.7% [2]. - The Nasdaq Composite saw a decline of 2.3%, marking the largest daily drop for all three indexes since October 10 [2]. Group 2: Sector Performance - Technology stocks, particularly those in the "Magnificent Seven" such as Tesla and Nvidia, continued to struggle [2]. - Aside from AI-related stocks, momentum and riskier stocks were significantly impacted [2].