Core Viewpoint - Chongqing Construction Group Co., Ltd. experienced a significant stock price fluctuation, with a cumulative closing price increase exceeding 20% over three consecutive trading days from November 5 to November 7, 2025, indicating abnormal trading activity [2][3]. Group 1: Stock Trading Abnormality - The company's stock price increased by over 20% during the specified trading period, qualifying as abnormal trading according to the Shanghai Stock Exchange rules [2][3]. - The company conducted a self-examination and confirmed that there were no undisclosed significant matters affecting the stock price, aside from previously disclosed information [4][5]. Group 2: Financial Performance - For the first nine months of 2025, the company reported a net loss attributable to shareholders of approximately 625.41 million yuan, with a net loss of about 664.27 million yuan after excluding non-recurring gains and losses [9]. - As of November 7, 2025, the company's closing stock price was 3.97 yuan per share, with a price-to-book ratio of 0.91, which is higher than the industry average of 0.67 [10]. Group 3: Project Bidding - The company’s subsidiary, Chongqing Urban Construction Holding Group, won bids for two segments of the Huangjueping Yangtze River Bridge project, with a total bid amount of approximately 1.839 billion yuan [14][15]. - The project spans approximately 2.9 kilometers and includes significant infrastructure components such as a major bridge and interchanges, with a construction period of 1,643 calendar days for both segments [15][16].