Group 1 - The core viewpoint of the article highlights the stock performance of Jianyou Co., which reported a slight decline in share price on August 4, 2025, closing at 11.66 yuan, down 0.02 yuan or 0.17% from the previous trading day [1] - Jianyou Co. operates in the chemical pharmaceutical sector, with its main business in pharmaceutical manufacturing, which accounted for 99.85% of its operations in 2024 [1] - The company specializes in the research, production, and sales of heparin products, including both active pharmaceutical ingredients and formulations [1] Group 2 - In the first quarter of 2025, Jianyou Co. achieved a revenue of 885 million yuan and a net profit attributable to shareholders of 84.71 million yuan [1] - As of July 31, 2025, the company had repurchased a total of 880,000 shares, representing 0.05% of its total share capital, with a total repurchase amount of 10.22 million yuan at prices ranging from 11.58 yuan to 11.66 yuan [1] - On August 4, 2025, the net outflow of main funds was 22.63 million yuan, accounting for 0.12% of the circulating market value, with a cumulative net outflow of 10.12 million yuan over the past five days, representing 0.05% of the circulating market value [1]