JACKSONVILLE, Fla.–(BUSINESS WIRE)–FIS(R) (NYSE: FIS) has announced the addition of Walgreens to its growing list of merchants and retailers using Premium Payback, the company’s real-time rewards redemption network. Starting this month, Walgreens customers with eligible payment cards will be able to tap into their credit card rewards points in real-time to help pay for in-store purchases. Walgreens is one of a growing number of merchants to offer its customers the opportunity to take advantage