Costco Wholesale Corporation (COST) and Dollar General Corporation (DG) stand out prominently in the Retail–Discount Stores industry. Costco boasts a substantial market capitalization of approximately 440billion,operatingonamembership−basedwarehousemodelfocusedonsellingbulkgoodsatdiscountedprices.Thecompanymanagesanetworkof905warehousesglobally,including624intheUnitedStates.Incontrast,DollarGeneralholdsamarketcapitalizationofaround19.3 billion and operates a vast ne ...