Face of an investor is reflected on an electronic board showing stock price drop at a trading hall in a securities firm in Hangzhou, capital of east China's Zhejiang Province, Feb. 21, 2013. Chinese stocks plunged on Feb. 21, with the benchmark Shanghai Composite Index slumped 2.97 percent, or 71.23 points, to end at 2,325.95. The Shenzhen Component Index declined 2.59 percent, or 249.76 points, to 9,396.11. [Xinhua]

Investors talk about stock market at a trading hall in a securities firm in Shanghai, east China, Feb. 21, 2013. Chinese stocks plunged on Feb. 21, with the benchmark Shanghai Composite Index slumped 2.97 percent, or 71.23 points, to end at 2,325.95. The Shenzhen Component Index declined 2.59 percent, or 249.76 points, to 9,396.11. [Xinhua]

An investor look at stock information at a trading hall in a securities firm in Hangzhou, capital of east China's Zhejiang Province, Feb. 21, 2013. Chinese stocks plunged on Thursday, with the benchmark Shanghai Composite Index slumped 2.97 percent, or 71.23 points, to end at 2,325.95. The Shenzhen Component Index declined 2.59 percent, or 249.76 points, to 9,396.11. [Xinhua]

A man sits at a trading hall in a securities firm in Jiujiang, east China's Jiangxi Province, Feb. 21, 2013. Chinese stocks plunged onThursday, with the benchmark Shanghai Composite Index slumped 2.97 percent, or 71.23 points, to end at 2,325.95. The Shenzhen Component Index declined 2.59 percent, or 249.76 points, to 9,396.11. [Xinhua]

A man sits at a trading hall in a securities firm in Jiujiang, east China's Jiangxi Province, Feb. 21, 2013. Chinese stocks plunged on Thursday, with the benchmark Shanghai Composite Index slumped 2.97 percent, or 71.23 points, to end at 2,325.95. The Shenzhen Component Index declined 2.59 percent, or 249.76 points, to 9,396.11. [Xinhua]