Movers roundup: Tyson Foods, American Axle

NEW YORK (AP)--Shares of Tyson Foods Inc. regained some ground on Thursday, one day after a credit rating agency cut the meat producer's bonds to junk bond status, sparking a sharp drop in stock price.

NEW YORK (AP)--Shares of American Axle & Manufacturing Holdings Inc. tumbled Thursday on worries that the effects of the continued decline in pickup and sport utility demand on the company may be worse than previously thought.

NEW YORK (AP)--Analysts said Thursday investors are overreacting to news that Discovery Laboratories Inc. will delay its response to the Food and Drug Administration's request for information about the company's Surfaxin drug by three months.