Biogen shares jump 4.7% premarket on hopes for its Alzheimer's treatment lecanemab
Biogen Inc. shares rose 4.7% in premarket trade Monday, after MorphoSys and partner Roche said a trial of a treatment for Alzheimer's disease failed to meet its main goal. German-listed shares of MorphoSys fell 30% on the news, while Roche was down 4% in Zurich as the company said Phase 3 studies evaluating gantenerumab in people with mild cognitive impairment (MCI) due to Alzheimer's and mild Alzheimer's dementia did not meet their primary endpoint of slowing clinical decline. Biogen, which las