China News Client March 12th (Xie Yiguan) On the 12th, A shares opened lower and lower, and the GEM Index is now down more than 2%. As of the midday close, the Shanghai Composite Index fell 1.34% to 2928.80 points; the Shenzhen Component Index fell 1.95% to 10981.36 points; the GEM Index fell 2.25% to 2054.24 points. The plate is green and red, the concept of medical waste treatment goes up, and the concept of pork falls.