Business & Finance Wal-Mart Stores, Inc. (WMT) Striving to Beat Amazon.com, Inc. (AMZN)By Sean JohnsonAugust 14, 2014 Wal-Mart Stores, Inc. (NYSE:WMT), American multinational retail corporation is facing immense pressure from one of its biggest competitors Amazon.com, Inc. (NASDAQ:AMZN)…