A man rides on an escalator in central Seoul, South Korea, June 15, 2016. REUTERS/Kim Hong-Ji

Share price of Japan's Nintendo Co. (R) is displayed at a stock quotation board outside a brokerage in Tokyo, Japan July 11, 2016. REUTERS/Issei Kato/File Photo /File Photo

Birds fly past the chimney of a thermal power plant as China's national flag flutters in a suburb in Shanghai January 9, 2015. REUTERS/Aly Song/File Photo

A girl from Shandong Province who came to the China's capital a year ago but still hasn't found a job, buys barbecued meat from a street vendor in Tongzhou district of Beijing, China February 25, 2016. REUTERS/Damir Sagolj/File Photo

Share price of Japan's Nintendo Co. (R) is displayed at a stock quotation board outside a brokerage in Tokyo, Japan July 11, 2016. REUTERS/Issei Kato/File Photo /File Photo

People look at exchange rates displayed at the NZ Stock Exchange in Wellington September 23, 2009. REUTERS/Anthony Phelps

A man rides on an escalator in central Seoul, South Korea, June 15, 2016. REUTERS/Kim Hong-Ji

Hanjin Shipping Co shipping containers are seen at the Port of Long Beach, California, U.S. on September 8, 2016. REUTERS/Lucy Nicholson/File Photo