In this May 16, 2011 file photo, the WalMart Supercenter signage is seen in Springfield, Ill. Wal-Mart Stores Inc. is reporting Tuesday, Feb. 21, 2012, a 4.2 percent decline in fourth-quarter profits. But the world’s largest retailer’s U.S. namesake business continued its rebound as its grabbed shoppers over the critical holidays. (AP Photo/Seth Perlman, File)