A federal regulator sued JPMorgan Chase, Wells Fargo and Bank of America on Friday, claiming the banks failed to protect hundreds of thousands of consumers from rampant fraud on the popular payments network Zelle, in violation of consumer financial laws.In the federal civil complaint, the Consumer Financial Protection Bureau asserts that the banks rushed to get the peer-to-peer payments platform to market without effective safeguards against fraud and then, after consumers complained about being defrauded o ...