中达安涨2.14%，成交额5376.46万元，主力资金净流出564.91万元

Group 1 - The core viewpoint of the news is that Zhongda An's stock has shown significant fluctuations, with a year-to-date increase of 65.68% but a recent decline of 2.87% over the last five trading days [1] - As of November 24, Zhongda An's stock price reached 16.22 yuan per share, with a market capitalization of 2.273 billion yuan [1] - The company has experienced a net outflow of main funds amounting to 5.6491 million yuan, with large orders showing a buy of 7.1809 million yuan and a sell of 10.8219 million yuan [1] Group 2 - Zhongda An's main business involves project management services, primarily engineering supervision, with revenue contributions from various sectors including power supervision (20.73%), civil engineering supervision (19.72%), and consulting and agency services (18.20%) [1] - As of September 30, the number of shareholders decreased by 41.07% to 8,906, while the average circulating shares per person increased by 69.71% to 13,520 shares [2] - For the first nine months of 2025, Zhongda An reported a revenue of 469 million yuan, a year-on-year decrease of 5.03%, and a net profit attributable to shareholders of 980,200 yuan, down 56.30% year-on-year [2] Group 3 - Since its A-share listing, Zhongda An has distributed a total of 30.3829 million yuan in dividends, with 1.3632 million yuan distributed over the past three years [3]