China News Client March 12th (Xie Yiguan) On the 12th, the three major A-share indexes opened more than 1% lower. The Shanghai Composite Index reported 2936.02 points, a decrease of 1.09%; the Shenzhen Component Index reported a value of 11022.40, a decrease of 1.59%; Most of the plates floated green. The concept of Hainan Free Trade that surged yesterday fell more than 2% at the beginning of the day, and the mask concept rose against the market.