上交所：本周对*ST亚振等异常波动风险警示股票以及天普股份等严重异常波动股票进行重点监控

Group 1 - The Shanghai Stock Exchange has implemented self-regulatory measures against 164 cases of abnormal trading behaviors, including price manipulation and false declarations [1] - Stocks under risk warning for abnormal fluctuations include *ST Yazhen (603389) and Tianpu Co., Ltd. (605255), which are under close monitoring due to severe abnormal price movements [1] - The exchange has conducted special investigations into 27 major corporate events and reported 6 suspected illegal activities to the China Securities Regulatory Commission [1]