On June 24th, Gelunhui reported that ST Yongyue (603879.SH) issued an announcement of abnormal fluctuations in stock trading. The company's actual controller is currently under investigation by the China Securities Regulatory Commission for suspected insider trading in the securities market. The actual controller of the company is actively cooperating with the relevant investigation work of the CSRC. Investors are requested to pay attention to investment risks. In addition, there is a high risk of controlling shareholder's high proportion of pledge and freeze. The pledge ratio of Jiangsu Huaying Enterprise Management Co., Ltd. is 98.94%, which is relatively high; the number of shares frozen by judicial authorities is 17,659,500 shares, accounting for 28.41% of its holdings in the company. The company will closely monitor the pledge and freeze situation of the controlling shareholder's holdings in the company and urge relevant parties to fulfill their information disclosure obligations in accordance with relevant laws and regulations in a timely manner. Investors are requested to pay attention to investment risks.