MERCK CO INC MRK (NYSE)

(TRENTON, N.J.)Schering-Plough Corp.'s chief executive told shareholders Friday the company remains on track five years into his rebuilding program, with a wider range of products and more drugs ...READ MORE

(NEW YORK)Shares of large pharmaceutical companies lacked direction in early Friday trading. The broader market slipped as investors digested new record highs for oil and a surprising jump i...READ MORE

(BERKELEY, Calif.)Shares of Dynavax Technologies Corp. plummeted Friday after the drug developer said it is ending development of its ragweed allergy drug Tolamba after it failed a midstage trial.READ MORE

(NEW YORK)Shares of biotechnology company Geron Corp. regained some ground Thursday, following a prior-day plunge on the Food and Drug Administration's decision to place a clinical hold on a...READ MORE

(NEW YORK)Shares of large pharmaceutical companies closed mostly higher Thursday as the broader market gained ground on falling oil prices and better-than-expected economic data.READ MORE

(ATLANTA)People 60 and older should get a one-time shingles shot that can help prevent the painful rash, U.S. health officials are recommending. There's a 50-50 chance the shot will prevent...READ MORE

(ATLANTA)People 60 and older should get a one-time shingles shot that can help prevent the painful rash, U.S. health officials are recommending. There's a 50-50 chance the shot will prevent...READ MORE