上交所：9月29日至10月10日对*ST正平等异常波动风险警示股票进行重点监控

Core Insights - The Shanghai Stock Exchange has implemented self-regulatory measures against 70 cases of abnormal trading behaviors, including price manipulation and false declarations, from September 29 to October 10, 2025 [1] - The stock *ST Zhengping (603843) has been placed under key monitoring due to abnormal volatility risks [1] - The exchange has conducted special investigations into 8 significant corporate events and reported one case of suspected illegal activities to the China Securities Regulatory Commission [1]