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]