金证股份涨2.10%，成交额2.82亿元，主力资金净流入393.09万元

Group 1 - The core viewpoint of the news is that Jinzheng Technology Co., Ltd. has experienced fluctuations in its stock price and trading volume, with a recent increase of 2.10% in its share price, reaching 18.02 yuan per share, and a total market capitalization of 16.962 billion yuan [1] - As of June 30, 2025, Jinzheng Technology's main business revenue composition includes customized services (45.26%), software income (36.55%), hardware income (15.00%), technology park leasing income (3.19%), and other income (0.01%) [2] - The company has seen a significant decrease in operating revenue, reporting 1.208 billion yuan for the first half of 2025, a year-on-year decrease of 48.55%, while the net profit attributable to the parent company was -38.8338 million yuan, an increase of 51.95% year-on-year [2] Group 2 - Jinzheng Technology has cumulatively distributed 518 million yuan in dividends since its A-share listing, with 83.1695 million yuan distributed over the past three years [3] - As of June 30, 2025, the number of shareholders of Jinzheng Technology increased by 31.64% to 90,600, while the average circulating shares per person decreased by 24.04% to 10,446 shares [2] - The top ten circulating shareholders include Hong Kong Central Clearing Limited, which holds 19.174 million shares, a decrease of 1.1281 million shares compared to the previous period, and Southern CSI 1000 ETF, which increased its holdings by 1.161 million shares to 6.1215 million shares [3]