SunTrust

The bank chalked up its outage to "a normal system upgrade that experienced technical difficulty."

Despite some green shoots in key credit segments, total loan growth was light at many banks last quarter. Rate hikes are threatened, and deposits will get pricier — where will the earnings come from?

After the Cincinnati bank started a personal assistant service for new mothers, it learned new parents needed help with budgeting, and that motivated it to team up with a Goldman Sachs firm to establish a financial wellness program for all its employees.

The rents are steep and they don't generate much revenue, but some banks believe that airport branches still have a role to play in their retail strategies — particularly as advice centers.

The Atlanta bank has financed construction and other activities tied to nursing homes and related facilities mainly in its East Coast markets. It says the timing is good to tap into demand elsewhere in the country.