Advent International, a global private equity investor, announced on Thursday that it has entered into a definitive agreement to sell Prisma and Newpay to Visa Inc. (NYSE:V) .Both companies are subsidiaries of Group Prisma, a major player in the Argentine payments sector.Strategic Transformation and SeparationDuring its period of ownership, Advent oversaw a strategic transformation that divided Group Prisma into three independent platforms: Prisma, Newpay, and Payway.Under the terms of the deal, Visa will a ...