WHDH-TV | UPDATE 7-Pfizer shares plunge after cholesterol drug fails Reuters - By Lewis Krauskopf and Ben Hirschler. NEW YORK/LONDON Dec 4 (Reuters) - Shares of Pfizer Inc.(PFE.N: Quote Profile Research) fell almost 11 percent on Monday wiping out $21.3 billion of market value after ... Pfizer`s loss AstraZeneca`s gain Analysts React to Pfizer Setback |