汇纳科技跌2.01%，成交额2.14亿元，主力资金净流入748.85万元

Group 1 - The core viewpoint of the news is that Haina Technology's stock has experienced fluctuations, with a year-to-date increase of 61.89% and a recent decline over the past 20 days [1] - As of October 28, Haina Technology's stock price was 39.89 yuan per share, with a total market capitalization of 4.791 billion yuan [1] - The company has seen a net inflow of main funds amounting to 7.4885 million yuan, with significant buying and selling activities recorded [1] Group 2 - Haina Technology, established on July 14, 2004, and listed on February 15, 2017, operates in the fields of artificial intelligence and big data, providing digital solutions across various sectors [2] - The company's revenue composition includes 57.25% from data and operation services, 27.46% from customer flow data analysis and remote store systems, and 9.11% from digital hardware and software integration [2] - As of September 19, the number of shareholders increased by 3.87% to 15,000, while the average circulating shares per person decreased by 3.73% to 7,980 shares [2] Group 3 - Haina Technology has distributed a total of 154 million yuan in dividends since its A-share listing, with 24.0229 million yuan distributed over the past three years [3]