According to The New York Times, Wall Street bankers were busy working on how to weaken the regulations or otherwise profit from them before the ink was dry on the financial reform law of 2010 . First, regarding trying to profit from the new regulations, BOA, Wells Fargo and other big banks that were faced with new limits on fees associated with debit cards were imposing fees on checking accounts. Compelled to trade derivatives in the daylight of closely regulated clearinghouses rather than in murky over-the-counter markets, titans like J.P. Morgan Investment Bank and Goldman Sachs were building up their derivatives brokerage operations. Their goal was to make up any lost profits — and perhaps make even more money than before — by becoming matchmakers in the vast market for these instruments. That critics were pointing to them as a principal cause of the financial crisis made no difference to those bankers. Even when it comes to what is perhaps the biggest new rule — barring banks from making bets with their own money — banks found what they thought was a solution: allowing some traders to continue making those wagers as long as they also work with clients.
The full essay is at "Strategic Use of Financial Regulation."