Global credit, debit and prepaid payment cards carrying Visa, MasterCard, Discover, American Express, Diners Club, UnionPay, and JCB as well as domestic only PIN-based debit card brands including Star, Nyce, Pulse, and Accel handled by the five largest U.S. merchant acquirers totaled 64.75 billion last year, up 9.1% over 2013. Those acquirers were First Data, Vantiv, Bank of America, Chase Commerce Solutions, and Heartland. The five largest acquirers based on card purchase volume were First Data, Chase Commerce Solutions, Bank of America, Vantiv, and Elavon. The value of the transactions th...