Bank of America's second-quarter profit fell as income from interest on loans shrank and provisions for potential credit losses jumped, but a better-than-expected forecast for net interest income sent the bank's shares higher in premarket trade. Banks are shelling out more on deposits as interest rates are at their highest since 2007, which have boosted returns on bonds, making alternatives such as money market funds more attractive.The cost of preventing a deposit outflow has eroded banks' gains from the r ...