Back-to-school sales are tough test for retailers By: MarketWatch August 12, 2013 at 09:33 AM EDT While students are just getting ready to return to school, retailers may already be bracing for a disappointing grade. Read More >> Related Stocks: Abercrombie & Fitch Company American Eagle Outfitters Coach Costco Wholesale Kohl's Corp Macy's Michael Kors Holdings Nordstrom Ralph Lauren Corp Wal-Mart Stores, Inc. Williams-Sonoma