Group 1 - The stock price of Weichai Heavy Machinery closed at 41.73 yuan on August 7, 2025, down by 1.59 yuan, a decrease of 3.67% from the previous trading day [1] - The trading volume on that day was 179,959 hands, with a transaction amount of 759 million yuan, resulting in a turnover rate of 11.10% [1] - Weichai Heavy Machinery is primarily engaged in the research, production, and sales of diesel engines and related products, with applications in ships, construction machinery, and power generation equipment [1] Group 2 - On August 6, 2025, the company announced plans to acquire 100% equity of Changzhou Fiberglass Shipyard Co., Ltd. from its controlling shareholder, Weichai Group, for 492 million yuan [1] - Changzhou Fiberglass Shipyard specializes in the research and production of various types of boats, including composite materials, steel, and aluminum vessels under 30 meters [1] Group 3 - On August 7, 2025, the net outflow of main funds for Weichai Heavy Machinery was 153.53 million yuan, accounting for 2.27% of the circulating market value [1] - Over the past five trading days, the cumulative net outflow of main funds reached 206.80 million yuan, representing 3.06% of the circulating market value [1]