同益股份涨2.19%，成交额6471.11万元，主力资金净流入543.27万元

Group 1 - The core viewpoint of the news is that Tongyi Co., Ltd. has shown a positive stock performance with a 2.19% increase on December 25, reaching a price of 16.30 yuan per share, and a total market capitalization of 2.965 billion yuan [1] - The company has seen a net inflow of main funds amounting to 5.43 million yuan, with significant buying activity from large orders [1] - Year-to-date, the stock price has increased by 7.03%, with a recent 5-day increase of 4.42%, while it has decreased by 6.16% over the past 20 days and 3.44% over the past 60 days [1] Group 2 - As of December 19, the number of shareholders for Tongyi Co., Ltd. is 19,600, a decrease of 2.55% from the previous period, while the average number of circulating shares per person has increased by 2.62% to 6,180 shares [2] - For the period from January to September 2025, the company achieved an operating income of 2.530 billion yuan, representing a year-on-year growth of 10.85%, and a net profit attributable to shareholders of 7.3291 million yuan, up 17.17% year-on-year [2] Group 3 - Since its A-share listing, Tongyi Co., Ltd. has distributed a total of 76.066 million yuan in dividends, with 12.7334 million yuan distributed over the past three years [3]