MRK ▼ -0.3% - Merck & Co., Inc. $MRK - European Commission Approves KEYTRUDA® (pembrolizumab) Plus Padcev® (enfortumab vedotin-ejfv) as Perioperative Treatment for Adults With Resectable Muscle-Invasive Bladder Cancer (MIBC) 21-OCT-2026 06:54 AM ET