UPDATE 2-Costco, Gap lead February U.S. retail sales gains By: Reuters: Company News March 07, 2013 at 13:12 PM EST * Improving job and real estate markets encourage shoppers Read More >> Related Stocks: American Eagle Outfitters Buckle Inc Cato Corp Costco Wholesale Fred's Inc Gap Kohl's Corp Macy's Ross Stores Smartrent Inc TJX Companies Target Corp Walgreen Company Zumiez Inc