BB&T and SunTrust showed that big-bank mergers are still possible, but top executives at other large regional banks say that a knee-jerk response would be a mistake.

Cost cutting and systems integrations are short-term priorities, but over time CEO Kelly King and his heir apparent, Bill Rogers, will have to exploit the combined BB&T-SunTrust's revenue potential and prove the biggest post-crisis merger was a good idea.

Sen. Elizabeth Warren introduced a bill to require CFPB approval for certain bank merger applications in the wake of regulators' approval of a deal between BB&T and SunTrust.

Completing the deal before the new year would let the merged company avoid an earnings hit in complying with the Current Expected Credit Loss accounting standard and give it more flexibility on capital adjustments.

The North Carolina-based credit union is doubling down on claims of trademark infringement following the biggest bank merger in decades.

The Raleigh-based credit union hit its latest milestone just three years after reaching 200,000 members.

The companies say they're working hard to complete their deal this year — including spending millions on retention payments and other items — but there's no guarantee how quickly regulators will make their decisions.

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The Pittsburgh company is sticking with its plan to grow through expanded lending and branch openings in new markets, William Demchak told investors and analysts Wednesday.

Next up for BB&T-SunTrust: deciding where to unload branches; how the Trump administration would reform Fannie Mae, Freddie Mac; why the CFPB's payday rule is in the hands of a Texas judge; and more from this week's most-read stories.