This document provides background information on Wal-Mart and analyzes their corporate strategy. It discusses how Wal-Mart has become the largest retailer in the US and number one on the Fortune 500 by focusing on low prices, supply chain management, and expanding into new markets both domestic and international. The summary also notes that while Wal-Mart's strategy has been successful, they have faced some criticism that their expansion hurts local businesses and employment practices.