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NYSE:MRK News 30 November 2025 - 13 December 2025

Merck (MRK) Stock News Today: Winrevair EU Expansion, Keytruda Patent Headwinds, Analyst Forecasts and What Investors Watch (Dec. 12, 2025)

Merck (MRK) Stock News Today: Winrevair EU Expansion, Keytruda Patent Headwinds, Analyst Forecasts and What Investors Watch (Dec. 12, 2025)

Merck & Co., Inc. (NYSE: MRK) stock traded higher on Friday, December 12, 2025, as investors weighed a new European regulatory tailwind for pulmonary arterial hypertension drug WINREVAIR (sotatercept) against a backdrop of policy-driven vaccine headlines, Keytruda-related legal friction in
Merck (MRK) Stock Outlook on December 7, 2025: Price Action, Keytruda Setback, Debt Deal and 2026 Analyst Forecasts

Merck (MRK) Stock Outlook on December 7, 2025: Price Action, Keytruda Setback, Debt Deal and 2026 Analyst Forecasts

Updated: December 7, 2025 Merck & Co., Inc. (NYSE: MRK) — the U.S. pharmaceutical company behind blockbuster cancer drug Keytruda and HPV vaccine Gardasil — has just wrapped up a busy early-December news cycle. The company closed a multi‑billion‑dollar debt
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