Can Wal-Mart retain its recession-era shoppers? By: MarketWatch June 03, 2009 at 14:07 PM EDT In a big week for the big-box behemoth, Wal-Mart needs to demonstrate it has a plan to keep customers won in the recessionary depths coming back for more. Read More >> Related Stocks: Costco Wholesale McDonald's Corp Target Corp Wal-Mart Stores, Inc.