Lael Brainard, governor of the U.S. Federal Reserve, listens during a meeting of the Board of Governors of the Federal Reserve in Washington, D.C., U.S., on Tuesday, May 3, 2016. Hedge funds, insurers and other companies that do business with Wall Street megabanks are poised to pay a price for regulators' efforts to make sure any future collapse of a giant lender doesn't tank the entire financial system. Photographer: Andrew Harrer/Bloomberg via Getty Images