MRK ▼ -0.9% - Merck & Co., Inc. $MRK MRNA - Merck and Moderna Will Present Results From Landmark Phase 3 INTerpath-001 Trial for Intismeran Autogene Plus KEYTRUDA® (pembrolizumab) at ESMO 2026 Presidential Symposium 22-OCT-2026 03:06 PM ET