The fuse mechanism was officially implemented from 20 16 1, and the Shanghai and Shenzhen 300 Index rose or fell by more than 5%, and it will be suspended for 15 minutes; When the Shanghai and Shenzhen 300 rose or fell more than 7%, the trading time was suspended until the close.
Shanghai Stock Exchange, Shenzhen Stock Exchange and CICC have suspended the implementation of the index fuse mechanism since 20 16 1.8.