Zheng Quan Shi Bao·2025-05-18 12:08Group 1 - Several listed companies, including Chengfei Integration and Lijun Co., have issued announcements regarding abnormal stock fluctuations, urging investors to make rational decisions and be cautious in their investments [1][2] - Chengfei Integration reported a cumulative price increase of 112.98% over eight consecutive trading days, with its main business focused on automotive parts and tooling, accounting for 96.91% of revenue in 2024 [1] - As of May 16, Chengfei Integration's closing price was 35.89 CNY per share, with a static P/E ratio of -187.12 and a P/B ratio of 3.79, significantly differing from the industry averages of 27.61 for P/E and 2.36 for P/B [1] Group 2 - Lijun Co. also experienced significant stock fluctuations, with its closing price at 14.17 CNY per share, a static P/E ratio of 121.93, and a P/B ratio of 5.18, which are considerably higher than the industry averages of 29.60 for P/E and 2.82 for P/B [2] - The company indicated that its stock may be subject to speculative trading due to heightened interest in military and aerospace concepts amid changing geopolitical conditions [2] - Other companies such as Yushansha A, Cita Co., and Zhengzhong Design have also issued similar announcements, emphasizing the importance of rational investment and risk awareness [2]