Moment of truth for Biogen's big Alzheimer's bet By: CNBC.com News March 19, 2015 at 12:55 PM EDT As Biogen Idec gets set to reveal new data on its Alzheimer's drug, BIIB037, investors should be prepared for a big move either way. Read More >> Related Stocks: Biogen Idec Eli Lilly Johnson & Johnson Pfizer