Citi, Visa Win Costco's Business By: Benzinga via Benzinga March 02, 2015 at 09:16 AM EST Costco Wholesale Corporation (NASDAQ: COST) announced on Monday that Citigroup Inc (NYSE: C) and Visa Inc (NYSE: V) would be its new ... Read More >> Related Stocks: American Express Capital One Financial Citigroup Costco Wholesale MasterCard Visa