Vantiv Inc. (NYSE: VNTV), a U.S. credit card company, has sealed a $10.4 billion merger with the biggest U.K. payment processing company, Worldpay Group. Vantiv announced its first interest in purchasing Worldpay back in July.Worldpay said that for ..

Vantiv, Inc. (NYSE: VNTV)London-based Worldpay was set up in 1989 and has 4,500 employees processing around 31 million mobile, online, and in store transactions each day. They have gained quite a large market share as consumers adopted cashless tran..