天臣医疗涨2.11%，成交额2812.59万元，主力资金净流入142.90万元

Group 1 - The core viewpoint of the news is that Tianchen Medical has shown significant stock performance, with a year-to-date increase of 251.77%, despite a recent decline of 6.85% over the last five trading days [1] - As of September 29, Tianchen Medical's stock price reached 58.50 CNY per share, with a market capitalization of 4.748 billion CNY [1] - The company specializes in the research, innovation, and production of high-end surgical staplers, with its main business revenue composition being 77.92% from non-powered products and 22.08% from powered products [1] Group 2 - For the first half of 2025, Tianchen Medical reported a revenue of 156 million CNY, representing a year-on-year growth of 17.66%, and a net profit attributable to shareholders of 48.2116 million CNY, which is a 67.10% increase compared to the previous year [2] - The number of shareholders decreased by 6.64% to 4,148, while the average circulating shares per person increased by 7.11% to 19,564 shares [2] - Since its A-share listing, Tianchen Medical has distributed a total of 171 million CNY in dividends, with 139 million CNY distributed over the past three years [2]