I have chosen Wal- Mart for this research report. Wal-Mart Stores, Inc. is the world's major retailer and grocery chain, and in the U.S. it accounts for 7.5% and 21% of consumers' total annual expenditures on retail goods and groceries, respectively. Wal-Mart is so large that its 2008 sales were almost 50% more than its 7 closest competitors combined, including Target (TGT) and Sears Holdings (SHLD). Because of its mammoth size and buying power, Wal-Mart can buy its ...