In this case, first of all, the value of shares held by major shareholders will be discounted. Secondly, in order to prevent the stock price from falling and causing losses to their own interests, financial institutions will set up early warning lines and flat warehouse lines. This is also an invisible home. The risk of the stock held by the major shareholder. If the stock continues to fall, then the major shareholder. It may touch the warning price. Then it may be sold at a low price or suspended to prevent the stock price from falling. This will bring certain economic losses to retail investors.