Amgen (AMGN, Financial) shares increased by over 3%, reaching $269.61. This rise follows Novo Nordisk's announcement of the primary results from its REDEFINE 1 Phase 3 clinical trial. The trial evaluated the effectiveness of CagriSema treatment over 68 weeks. Patients experienced a 22.7% weight reduction, which fell short of the market's expectation of 25%.
Consequently, Novo Nordisk's stock plummeted by more than 20%.