Credit, debit, and prepaid cards carrying Visa, UnionPay, MasterCard, American Express, JCB, and Diners Club/Discover brands generated $9.879 trillion in purchase volume of goods and services worldwide from January 1 to June 30, 2015, up 19.4% over the first six months of 2014. These global brand general purpose cards generated 106.56 billion purchase transactions in this period, up 15.5% over the first half of 2014. Credit card purchase volume in the first six months of 2015 increased 18.3% over the same period in 2014. Purchase volume on debit cards (including prepaid) grew 20.5%. When...