Retail shares ride the bullish wave; Wal-Mart downgraded By: MarketWatch March 10, 2009 at 09:22 AM EDT Retail stocks trade higher, mirroring the early action in the broader market, as investors look beyond downgrades for Wal-Mart and BJâs Wholesale. Read More >> Related Stocks: Dick's Sporting Goods Inc Wal-Mart Stores, Inc.