Investors are seen at a trading hall in a securities firm in Shanghai, east China, June 16, 2015. Chinese stocks plunged on Tuesday, with the benchmark Shanghai Composite Index diving 3.47 percent, or 175.56 points, to finish at 4,887.43 points. The Shenzhen Component Index dropped 3.54 percent, or 626.62 points, to close at 17,075.93 points. (Photo: Xinhua/Ding Ting)
