美迪西跌2.01%，成交额6905.61万元，主力资金净流出778.81万元

Group 1 - The core viewpoint of the news is that Medisi's stock has experienced fluctuations, with a recent decline of 2.01% and a total market value of 8.756 billion yuan [1] - As of January 20, Medisi's stock price is 65.17 yuan per share, with a trading volume of 69.0561 million yuan and a turnover rate of 0.78% [1] - The company has seen a year-to-date stock price increase of 15.55%, but a decline of 9.61% over the last five trading days [1] Group 2 - Medisi's main business involves providing comprehensive new drug research and development services to pharmaceutical companies and other new drug research institutions, with preclinical research accounting for 50.34% and drug discovery and pharmaceutical research for 49.64% of its revenue [1] - As of September 30, the number of Medisi's shareholders has increased by 27.83% to 16,500, while the average circulating shares per person have decreased by 21.96% to 8,149 shares [2] - For the period from January to September 2025, Medisi achieved operating revenue of 843 million yuan, representing a year-on-year growth of 5.14%, while the net profit attributable to the parent company was -29.6849 million yuan, showing a year-on-year increase of 76.93% [2] Group 3 - Medisi has distributed a total of 158 million yuan in dividends since its A-share listing, with cumulative distributions of 33.9365 million yuan over the past three years [3]