Huntington set to become Ohio’s largest bank with acquisition of FirstMerit

Huntington Bancshares Inc. has completed its acquisition of FirstMerit Corp., putting the Columbus-based bank in new Midwest markets and making it Ohio’s largest deposit-holder. The parent of Huntington National Bank said Tuesday it closed the $3.4 billion cash-and-stock transaction, first announced in January, following shareholder and regulatory approvals. Customer relationships will continue as normal through the end of the year, with branch and account conversions coming in 2017. All branding…