Novo Nordisk Stock Plunges After Alzheimer’s Drug Failure: NVO Price, News and Outlook Today (24 November 2025)
Novo Nordisk shares plunged about 9% in Copenhagen to their lowest since July 2021 after phase 3 Alzheimer’s trials for semaglutide failed to meet the primary endpoint. The NVO ADR dropped to around $43.1 in U.S. pre-market trading, down nearly 10%. Year-to-date, the stock is off more than 50%. The company will present top-line trial data on December 3.