Shutterstock photo Discover Financial Services DFS recently announced that it has collaborated with Promoción y Operación S.A. de C.V. (Prosa). Both the companies will form a strategic network alliance for widely strengthening the acceptance of Discover Global Network in Mexico. With this deal, Discover, Diners Club International, PULSE and network affiliate cards will be accepted on Prosa's network in Mexico at all ATM kiosks as well as at point-of-sale locations.Initially, the agreement would enable all Discover Global Network cards on the Prosa network. In fact, all Discover . . .