$BIIB is down Pre-Market:$232.55 -$88.18 (-27.49%) 8:17 AM The company is shutting down two late state studies on Alzheimer's. Biogen before @ $320.59 $BIIB, Biogen Inc. / H1 At what price will the stock close at this week? The stock is a buy at this level. Agree? Disagree: Avoid Biogen.