Pfizer Inc. (NYSE:PFE) announced that the FDA has given fast track designation to its investigational Clostridium difficile vaccine candidate. The vaccine is geared toward preventing C difficile–associated disease, which may include lifethreatening diarrhea and pseudomembranous colitis. Pfizer says it is currently in the phase 2 clinical trial stage. Pfizer Inc. (NYSE:PFE) belongs to Healthcare sector. Its net profit margin is 59.30% and weekly performance is … Continue reading Why Making Dramatic Moves : Pfizer (NYSE:PFE), Zynga, Inc. (NASDAQ:ZNGA), Facebook Inc (NASDAQ:FB), Hilltop Holdings Inc. (NYSE:HTH), Alaska Air Group, Inc. (NYSE:ALK)