Wal-Mart’s earnings say a lot about other companies By: MarketWatch May 14, 2014 at 07:00 AM EDT The behemoth is trying new things, becoming a test case, writes Marek Fuchs. Read More >> Related Stocks: Amazon.com Best Buy Dollar General Home Depot J C Penney Company Inc Kohl's Corp Macy's Nordstrom Target Corp Wal-Mart Stores, Inc. Whole Foods Market