Generally speaking, the reasons for suspension are as follows:
1. When a listed company has important information to announce, such as annual report and interim results report, convening shareholders' meeting, increasing capital and shares, announcing distribution plan, major mergers and acquisitions, investment and equity changes, etc.
2. When the securities regulatory agency believes that the listed company needs to clarify and announce matters that have a significant impact on the company;
3. When a listed company is suspected of violating the rules and needs to be investigated, the length of suspension shall be determined as appropriate.