FUYANG, CHINA - DECEMBER 17: (CHINA OUT) Investors observe stock market at an exchange hall on December 17, 2015 in Fuyang, Anhui Province of China. The Shanghai Composite Index rose 63.81 points, or 1.81 percent, to close at 3,580.00 points. The Shenzhen Component Index climbed 314.45 points, or 2.51 percent, to 12,825.5 points.  (Photo by VCG/VCG via Getty Images)