A pedestrian walks past a foreign exchange rate board, including the Chinese yuan (C) in Tokyo on August 13, 2015. Tokyo stocks closed 0.99 percent higher August 13, rallying after the previous day's losses as investors gauged the impact of China devaluing its currency for the third day in a row. AFP PHOTO / KAZUHIRO NOGI (Photo credit should read KAZUHIRO NOGI/AFP/Getty Images)