CCYD(SH:600148) Zheng Quan Zhi Xing·2025-07-09 11:12Group 1 - The stock of Changchun Yidong Clutch Co., Ltd. experienced an abnormal trading fluctuation, with a cumulative closing price increase exceeding 20% over three consecutive trading days from July 7 to July 9, 2025 [1][2] - The company confirmed that there are no undisclosed significant matters or information that could affect the stock price, following self-examination and verification with major shareholders [2][3] - The company's main business is the production of automotive parts, and its daily operations are normal without significant deviations from industry standards [2][3] Group 2 - The company reported a net profit attributable to shareholders of -0.9539 million yuan for the first quarter of 2025, indicating operational performance risks [1][4] - The stock turnover rate was notably high at 15.42% on July 9, 2025, which poses additional trading risks [4] - The automotive parts industry saw a cumulative increase of 1.18% over the same three trading days, while the company's stock price closed at 25.04 yuan per share on July 9, 2025 [3][4]