China News Network client March 17 (Cheng Chunyu) On the 17th, A shares opened higher and lower, and fell sharply during the session. At present, the Shanghai Composite Index has fallen by more than 2%, reaching a minimum of 2715.22 points; the Shenzhen Component Index has fallen by nearly 3%, falling below the 10,000-point integer mark, reaching a minimum of 9,988.86 points;