上交所：本周对166起证券异常交易行为采取书面警示等监管措施

Group 1 - The Shanghai Stock Exchange announced that it has taken written warnings and other regulatory measures against 166 cases of abnormal trading behaviors, including price manipulation and false declarations [1] - The exchange is closely monitoring stocks with delisting risk warnings, such as *ST Jinguang [1] - There are 15 cases of major corporate events that are undergoing special investigations, and two cases of suspected illegal activities have been reported to the China Securities Regulatory Commission [1]