Thunderstorm is a plunge, which means that for some reason, a large number of securities are thrown out in the securities market, resulting in an infinite decline in the price of the securities market, and I don't know how far it can stop. This phenomenon of selling securities in large quantities is also called selling in large quantities.

China stock market is the stock market in People's Republic of China (PRC). 1989 was started as a pilot project, and it was established in line with the concept of stopping when it is tried, or stopping when it is not good. Therefore, in the stock market operation before 1995, the biggest negative news is usually the news that the China stock market pilot will stop and the stock market will close. After the "3.27 Treasury bond futures incident", the China futures market was completely rectified on 1995, and the China stock market became the object of support.