会畅科技涨2.16%，成交额8809.89万元，主力资金净流出89.46万元

Group 1 - The core viewpoint of the news is that Huichang Technology's stock has shown a positive performance in recent trading sessions, with a year-to-date increase of 10.65% and significant gains over various time frames [1] - As of December 30, Huichang Technology's stock price reached 21.30 yuan per share, with a market capitalization of 4.223 billion yuan [1] - The company has experienced a net outflow of main funds amounting to 894,600 yuan, with large orders showing a mixed buying and selling trend [1] Group 2 - Huichang Technology, established on February 8, 2006, specializes in multi-party communication services, video data application processing, and the development and sales of communication-related equipment [2] - The company's main revenue source is cloud video services, accounting for 99.37% of total revenue, while other services contribute 0.63% [2] - As of December 19, the number of Huichang Technology's shareholders increased by 3.85% to 27,000, with an average of 7,341 circulating shares per shareholder [2] Group 3 - Since its A-share listing, Huichang Technology has distributed a total of 89.4304 million yuan in dividends, with no dividends paid in the last three years [3]