U.S. Stocks Fall Amid AI Competition

U.S. stocks plunged Monday as investors sold companies they view as vulnerable to AI competition; the S&P 500 fell 1% to 6,837.75, the Dow fell 1.7% to 48,804.06, and the Nasdaq fell 1.1% to 22,627.27. Losses concentrated in cybersecurity and software after Anthropic's new code-scanning tool, while Novo Nordisk's trial setback, tariff threats and flight disruptions added pressure ahead of Nvidia's earnings.
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