Truist was formed through the merger of BB&T and SunTrust in 2019.In 2019, two strong regional banks, BB&T and SunTrust, announced one of the largest bank mergers of equals in many years, at least at the time. Eventually, the pro forma institution also adopted a new name, Truist (TFC 0.26%), to establish a new brand that better represented the new entity. The pitch for the massive merger was simple in theory: deliver best-in-class efficiency and returns.More than six years later, that has yet to be accompli ...