上交所本周对对*ST岩石、*ST正平、*ST精伦等异常波动退市风险警示股票，以及中韩半导体ETF等溢价较高的基金进行重点监控

Group 1 - The Shanghai Stock Exchange has taken self-regulatory measures against 158 cases of abnormal trading behaviors, including price manipulation and false declarations [1] - Stocks with abnormal fluctuations, such as *ST Rock, *ST Zhengping, and *ST Jinglun, have been placed under delisting risk warnings [1] - The exchange is closely monitoring funds with high premiums, such as the China-Korea Semiconductor ETF [1] Group 2 - The exchange has conducted special investigations into 7 major events related to listed companies [1] - One case of suspected illegal activities has been reported to the China Securities Regulatory Commission [1]