The Shangai Composite Index went up by 12 points or 0.30 percent on Wednesday to close at 3953 points. The rise was led by Jiangsu Lianyungang (5.47%), Datang Intl (3.55%) and Shaanxi Coal (3.27%). On the downside, the weakerst performers were Yonyou Soft (-2.71%), Jiangsu Hengrui (-2.23%) and Kangmei Pharma (-2.07%).