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What Happens To Merck Stock If Keytruda Sales Stop Growing?

Trefis | Oct 20, 2026 10:14 PM EDT

Shares of Merck (MRK) returned 76.2% over the past year, compared with 17.4% for the S&P 500. U.S. growth for the company’s cancer drug Keytruda is set to slow. Management said on the August 4 call that U.S. Keytruda growth will moderate as the drug reaches peak penetration across several key indications. Barron’s also reported […]

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