Lawmakers and regulators have spent years erecting laws and rules meant to limit the power and size of the largest U.S. banks. But those efforts were cast aside in a frantic late-night effort by government officials to contain a banking crisis by seizing and selling First Republic Bank to the country’s biggest bank, JPMorgan Chase.At about 1 a.m. Monday, hours after the Federal Deposit Insurance Corporation had been expected to announce a buyer for the troubled regional lender, government officials informed JPMorgan executives that they had won the right to take over First Republic and the accounts of its well-heeled customers, most of them in wealthy coastal cities and suburbs.The F.D.I.C.’s decisio …
