Here are some of the biggest movers of Monday.
Stock gainers:
Biogen Inc. shares BIIB, +1.31% rallied 5% following a full-day halt during the regular session as a Food and Drug Administration committee convened to vote on an approval recommendation for the biotech’s Alzheimer’s drug candidate it makes with Eisai Co. ESALF, +9.35% The committee voted unanimously to recommend approval, and Biogen shares took off when they were unhalted.