Pedestrians walk past an American flag displayed outside of the New York Stock Exchange (NYSE) in New York, U.S., on Monday, Sept. 12, 2016. U.S. stocks rebounded after the biggest rout since June wiped about $500 billion from the value of equities, while Treasury yields held near two-month highs before the Federal Reserve's Lael Brainard official speaks. Emerging-market assets slumped. Photographer: Michael Nagle/Bloomberg via Getty Images