 Shares of Foot Locker Inc. FL, 5.00 soared 17.7 in premarket trading Friday, after the athletic footwear and apparel retailer reported fiscal third-quarter profit that beat expectations, a surprise increase in same-store sales and boosted its full-year outlook, citing strong demand from resilient customers. Net income for the quarter to Oct. 29, fell to 96 million, or 1.01 a share, from 158 million, or 1.52 a share, in the year-ago period. 