Premier Li Keqiang of China addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 21, 2016. REUTERS/Carlo Allegri

Premier Li Keqiang of China addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 21, 2016. REUTERS/Carlo Allegri

Premier Li Keqiang of China is seen on a monitor in a booth as he addresses the United Nations General Assembly in the Manhattan borough of New York, U.S., September 21, 2016. REUTERS/Carlo Allegri

Traders work on the floor of the New York Stock Exchange (NYSE) in New York City, U.S., September 15, 2016. REUTERS/Brendan McDermid

Republican vice presidential nominee Mike Pence holds a joint news conference with U.S. House Speaker Paul Ryan (R-WI) (not pictured) following a House Republican party conference meeting in Washington, U.S. September 13, 2016. REUTERS/Jonathan Ernst

A 100 Yuan note is seen in this illustration picture in Beijing March 7, 2011. REUTERS/David Gray/File Photo

Leon Cooperman, chairman and CEO of Omega Advisors, speaks during the Sohn Investment Conference in New York May 4, 2015. REUTERS/Brendan McDermid

An IranAir Boeing 747SP aircraft is pictured before leaving Tehran's Mehrabad airport. REUTERS/Morteza Nikoubazl