上交所：对退市整理股票以及*ST亚振等异常波动风险警示股票进行重点监控

Group 1 - The Shanghai Stock Exchange has taken written warning measures against 158 cases of abnormal trading behaviors such as price manipulation and false declarations [1] - The exchange is closely monitoring stocks at risk of delisting and those with abnormal fluctuations, including *ST Yazhen (603389) [1] - There have been special investigations into 9 major events of listed companies, and one case of suspected illegal activities has been reported to the China Securities Regulatory Commission [1]