深交所：本周对股价涨跌异常的“*ST宇顺”等风险警示板股票继续实施重点监控

Group 1 - The Shenzhen Stock Exchange implemented self-regulatory measures on 137 instances of abnormal securities trading from May 26 to May 30, involving behaviors such as price manipulation and false declarations [1] - The exchange continues to monitor stocks on the risk warning board, including "*ST Yushun (002289)", which exhibited abnormal price fluctuations [1] - Two cases suspected of illegal activities were reported to the China Securities Regulatory Commission [1]