Wal-Mart is the largest retailer in the world with over $469 billion in annual revenue. It operates retail stores in 27 countries under 69 different banners. This case study analyzes Wal-Mart's external and internal environment through a PEST analysis, examination of foreign exchange strategies, cultural issues, and competitor analysis. Key competitors include Costco, Target, Dollar Tree, and Dollar General. The analysis finds that Wal-Mart faces political, economic, social and technological factors that can impact its global operations and sales.