After dealing with legal headaches for the past several years, Bank of America (BAC 2.19%) and Brian Moynihan are shifting their attention and effort to actually driving revenue. With interest rates at historic lows and net interest margins tight, banks are searching for opportunities to boost non-interest revenue and build meaningful relationships.

In this video, Motley Fool banking analysts Matt Koppenheffer and David Hanson tell investors which part of the megabank's business is a crucial factor for its long-term success.