The bank didn't give some existing customers the higher rates it was offering new customers, the agency alleged. The bank said it would fight the suit, which comes just days before the Trump administration takes over the regulator.

The top five banks and thrifts had combined assets of more than $13 trillion as of Sept. 30.

New regulatory changes have created the potential to enable smaller institutions to compete more effectively with their larger peers — if they're willing to seize the opportunity.

The bank said it would acquire Bank of Idaho for $245.4 million in stock. It marked the 12th bank deal for Glacier over the past decade.

Mutual Federal Bancorp nixed its planned acquisition of Pulaski Savings Bank. It did not disclose a reason for the deal termination.

The Federal Reserve Board on Friday approved UMB Financial's pending $2 billion acquisition of Heartland Financial.

Texas Capital Bancshares promotes Aimee Williams-Ramey to chief human resources officer; M&T Bank hires Wells Fargo veteran Krista Phillips for newly created post of chief customer officer; Paul Connolly and Paul Speiss age out of their positions on Eastern Bankshares' board; and more in this week's banking news roundup.

Clearfield-based CNB Financial's planned acquisition of ESSA Bancorp in Stroudsburg would create an $8 billion-asset company with 49 branches and nearly $5 billion of deposits in the Keystone State.

The San Antonio-based insurer and bank has named Juan Andrade as its next CEO. The company's bank has suffered a series of regulatory penalties.