Why Is Moderna Stock Down 18%? Cancer Vaccine Leak
By Tobi Opeyemi Amure
Source excerpt · FinanceFeeds
Moderna stock is down because investors sold a Phase 3 melanoma result they had already paid for, after the number leaked two days early and turned out to be a clear win rather than a larger one. MRNA stock closed at $202.63 on Thursday 22 October 2026, down $43.18, or 17.57%, from Wednesday's $245.81, once intismeran autogene data from INTerpath-001 appeared on Oncology Central and Merck and Mode…