Volatility snaps marginal gains on nation's bourses

Uncertainties still remain amid wild fluctuations, say market sources

Share prices plunged on Chinese bourses on Wednesday, after a brief rally on Tuesday, amid heavy volatility despite efforts by the government to prop up the flagging market sentiment.

The benchmark Shanghai Composite Index sunk 5.23 percent to finish at 4,053.70 points on turnover of 838.07 billion yuan ($137.39 billion). The Shenzhen Component Index dropped 4.79 percent to close at 13,650.82 points on turnover of 691.16 billion yuan.