 Macys Inc. stock M, -8.07 soared 7 in premarket trade Thursday, after the department store chain beat consensus estimates for the third quarter and raised its full-year profit guidance. The operator of Macys, Bloomingdales and Bluemercury stores posted net income of 108 million, or 39 cents a share, for the quarter, down from 239 million or 76 cents a share, in the year-earlier period. 