Javier Rodríguez Soler, the CEO of BBVA in the U.S., is shown Tuesday, June 4, 2019, in Houston. Melissa Phillip, Houston Chronicle / Staff photographer PNC Financial Services Group has agreed to buy BBVA’s Houston-based U.S. banking operations for $11.6 billion, vaulting past rivals to become the country’s largest regional bank. PNC’s purchase uses the $14 billion it raised earlier this year from selling its stake in BlackRock Inc.