Merck (MRK) Stock Today – November 26, 2025: Keytruda Wins, Analyst Upgrades and Big Money Buying Keep Shares Near Record Highs
Merck & Co., Inc. (NYSE: MRK) spent Wednesday trading just below fresh 52‑week highs, as Wall Street continues to digest a powerful mix of positive drug news, upbeat earnings, and a wave of analyst upgrades and institutional buying. Merck stock