Kmart of the first Kmart, some poorly performing S.S. Kresge stores were converted to a new "Jupiter Discount Stores" brand, which was conceived as a bare-bones, deep discount outfit. During the 1970s, Kmart put a number of competing retailers out of business. Kresge, Jupiter and Kmart stores mainly competed with other store chains like Zayre, Ames, Bradlees, Caldor, Hills, and those that were operated by MMG-McCrory Stores (McCrory, McLellan, H.L. Green, J.J. Newberry, S.H. Kress, TG&Y, Silver's and eventually G.C. Murphy Co.). In 1977, S.S. Kresge Company changed its name to K Mart Corporation. In 1980, Vice Chairman Bernard M. Fauber
Discount store disappeared, while the Dayton-Hudson Corporation eventually divested itself of its department store holdings and renamed itself Target Corporation). In the United States, discount stores had 42% of overall retail market share in 1987; in 2010, they had 87%. Many of the major discounters now operate "supercenters", which add a full-service grocery store to the traditional format. The Meijer chain in the Midwest consists entirely of supercenters, while Wal-Mart and Target have focused on the format as of the 1990s as a key to their continued growth. Although discount stores and department stores have different retailing goals and different markets, a