Why Are Stocks Down? Intel’s Worst Day Since 1974 and the AI Spending Revolt Explained

Why is the stock market down today - Nasdaq closed down 2.84 percent on 30 October 2026 as Intel fell 29 percent

Updated 31 October 2026. Why are stocks down? The short answer is that investors stopped believing enormous spending on artificial intelligence will pay for itself. Two sessions did the damage. On Thursday 29 October, Alphabet fell more than 12 percent and ServiceNow lost about a quarter of its value. On Friday 30 October, the Nasdaq … Read more