Retail stocks mixed; Sears jumps By: MarketWatch January 11, 2011 at 10:18 AM EST The sector reacts to lackluster weekly sales data and a disastrous profit report from grocery giant Supervalu, along with robust forecasts from Sears and Tiffany. Read More >> Related Stocks: GX Defense Tech ETF Macy's Target Corp Tiffany & Co Wal-Mart Stores, Inc.