US close: Nasdaq drops 3% as AI stocks hammered by DeepSeek news
The S&P 500 dropped 1.5% to 6,012.28, falling for the second straight day after settling at a new record closing high of 6,118.71 last Thursday. The tech-heavy Nasdaq tanked 3.1% to 19,341.83, with heavyweight Nvidia plummeting 17%. Meanwhile, the Dow …