Movers roundup: Western Union, Guidance Software

Among the stock activity stories for Wednesday, Feb. 8, from AP Business News:

— Shares of Money transfer company Western Union Co. fell more than 8 percent after the company said it expects 2012 profits and income to be lower than analysts' expectations.

— Shares of Guidance Software Inc. rose to their highest level in more than three years on strong fourth-quarter results and an upbeat outlook.