One historic merger. Video will return here when scrolled back into view Walter Davis On Building a Black-Owned Bank From Zero to $2 billion To view this video please enable JavaScript. view video Walter Davis On Building a Black-Owned Bank From Zero to $2 billionTo catch you up, North Carolina’s oldest minority-owned financial institution, M&F Bank, is merging with Optus Financial Corp., the parent company of Columbia, South Carolina-based Optus Bank, the Charlotte Business Journal reported. Related: Walter Davis On Building a Black-Owned Bank From Zero to $2 Billion“More consolidation has been needed for a while because economies of scale are important. Davis didn’t shy away from the critical questions surrounding a merger of Black-owned banks of this magnitude.