![]() Washington Post | Pfizer May Plunge After Cholesterol Trial Is Halted (Update2) Bloomberg - By Shannon Pettypiece and Michelle Fay Cortez. Dec. 3 (Bloomberg) -- Pfizer Inc.'s shares will likely plunge after the world's biggest drugmaker unexpectedly ended development of its most important new drug ... Pfizer Pulls Plug on Cholesterol Medication Pfizer ends development of key cholesterol drug |