” Government regulators have missed more than half of their rule-making deadlines, with just 120 of the 398 regulations enumerated by the law in effect, according to a tally by the Wall Street law firm Davis Polk. Key provisions are still months away, most notably the so-called “Volcker Rule” meant to rein in banks’ appetite for risky investments and prevent a repeat of the 2008 meltdown that led to the public bailout of some of the country’s largest financial institutions.

“The richest industry in the history of the world is using its vast and unlimited resources to slow, delay, gut, and weaken as many of the rules as possible,” said Dennis Kelleher, a former aide to the late Senator Edward Kennedy and the chief executive of Better Markets, a Wall Street watchdog group. “If they don’t get their way, they file suit.” “