Moderna Shares Fall 18% After Previous Session's 170% Surge
Moderna shares fell 18% on August 20, 2026, closing at $138.6 after sliding more than 20% at the session's low. The sharp decline reversed the previous trading day's gain of more than 170%, underscoring extreme volatility in the biotech company's stock. The two-session swing highlighted the market's rapid reassessment of the shares following the earlier surge.
Moderna shares fell sharply on August 20, 2026, declining 18% to close at $138.6. At its intraday low, the stock was down more than 20%. The decline followed the previous trading session, when the shares had closed up more than 170%, highlighting significant volatility in the stock.