Visa and Mastercard could raise interchange fees

https://techcrunch.com/2019/02/16/visa-and-mastercard-could-raise-interchange-fees/

Regulatory Landscape for Fintech, Electronic Commerce, and Electronic Banking: Part One

https://www.jdsupra.com/legalnews/regulatory-landscape-for-fintech-12036/

Fiserv Acquires First Data: Everything Investors Need to Know

https://www.fool.com/investing/2019/01/22/fiserv-acquires-first-data-everything-investors-ne.aspx