Merck (MRK) Stock Today – December 8, 2025: Pipeline Bets, Cidara Deal and Vaccine Policy Risks
Merck & Co., Inc. (NYSE: MRK) is back in the spotlight. As of the afternoon of December 8, 2025, Merck shares trade around $98–99, down about 1% on the day and modestly below their recent 52‑week high of $105.84 reached