Business

Moderna Stock Plunges 25%—Wiping Out $18 Billion After Historic Cancer Vaccine Breakthrough

Forbes · August 20, 2026 at 1:28 PM

Moderna Stock Plunges 25%—Wiping Out $18 Billion After Historic Cancer Vaccine Breakthrough

The biotech giant posted positive trial results of a cancer vaccine, boosting shares at a record-setting pace before investors pulled back.

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Moderna Stock Plunges 25%—Wiping Out $18 Billion After Historic Cancer Vaccine Breakthrough

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