Stock Market Today, Feb. 4: AMD Plunges Over 17% As Tech Fallout Continues
On Feb. 4, 2026, AMD’s AI-chip stumble rattled the Nasdaq while defensive Dow names steadied a suddenly nervous Wall Street.
The S&P 500 (^GSPC 0.51%) fell 0.51% to 6,882.72, the Nasdaq Composite (^IXIC 1.51%) slid 1.51% to 22,904.58 on heavy tech selling.
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