Retail stocks mixed; Walgreen slides By: MarketWatch March 22, 2011 at 09:50 AM EDT Walgreen’s shares tumble after a miss in same-store sales, while Dollar General and BJ’s Wholesale head higher. Read More >> Related Stocks: Costco Wholesale Dollar General Macy's Standard & Poors 500 Wal-Mart Stores, Inc. Walgreen Company