And the Treasury Department is punishing Bank of America, J.P. Morgan and Wells Fargo ( WFC ) for failures to follow the implementation rules for the government's Home Affordable Modification Program, intended to encourage banks to modify mortgages and keep distressed homeowners in their houses. If short sellers are right, bank stocks will rise soon. But shorts rarely make long-term bets, so even if they are right, the share price gains could be temporary.