The Walgreen Company is an American company which operates as the second-largest pharmacy store chain in the United States behind CVS Health. Wikipedia Stock price: WBA (NASDAQ) $81.51 +0.45 (+0.56%) Mordad 16, 4:00 PM EDT - Disclaimer Headquarters: Deerfield, Illinois, United States Number of locations: 8,175 CEO: Stefano Pessina (2015–) Motto: At the Corner of Happy and Healthy

CVS Health is an American retail pharmacy and health care company headquartered in Woonsocket, Rhode Island. Wikipedia Stock price: CVS (NYSE) $79.12 0.00 (0.00%) Mordad 16, 4:01 PM EDT - Disclaimer Headquarters: Woonsocket, Rhode Island, United States Revenue: 177.5 billion USD (2016) Formerly called: CVS Corporation; CVS Caremark Corporation

Wal-Mart Stores, Inc., doing business as Walmart, is an American multinational retailing corporation that operates as a chain of hypermarkets, discount department stores, and grocery stores. Wikipedia Stock price: WMT (NYSE) $81.28 0.00 (0.00%) Mordad 16, 4:00 PM EDT - Disclaimer Revenue: 485.9 billion USD (2016) Headquarters: Bentonville, Arkansas, United States

The Kroger Company, or simply Kroger, is an American retailing company founded by Bernard Kroger in 1883 in Cincinnati, Ohio. Wikipedia Stock price: KR (NYSE) $24.37 0.00 (0.00%) Mordad 16, 4:00 PM EDT - Disclaimer Headquarters: Cincinnati, Ohio, United States Divisions: Inter-American Products; various chains CEO: Rodney McMullen (Jan 1, 2014–)