紫光国微涨2.02%，成交额6.12亿元，主力资金净流入4118.05万元

Group 1 - The core viewpoint of the news is that Unigroup Guowei's stock has shown a positive trend with a year-to-date increase of 23.50% and a recent rise of 2.02% on September 18, 2023, indicating strong market interest and trading activity [1] - As of September 10, 2023, Unigroup Guowei's main business revenue composition includes 48.20% from special integrated circuits, 45.78% from smart security chips, 4.96% from quartz crystal frequency devices, and 1.06% from other sources [2] - The company has a total market capitalization of 673.24 billion yuan and has seen significant trading volume with a turnover of 6.12 billion yuan on September 18, 2023 [1] Group 2 - For the first half of 2025, Unigroup Guowei reported a revenue of 30.47 billion yuan, reflecting a year-on-year growth of 6.07%, while the net profit attributable to shareholders decreased by 6.18% to 6.92 billion yuan [2] - The company has distributed a total of 14.19 billion yuan in dividends since its A-share listing, with 7.50 billion yuan distributed in the last three years [3] - As of June 30, 2025, major institutional shareholders have increased their holdings, with Hong Kong Central Clearing Limited being the third-largest shareholder, holding 16.79 million shares, an increase of 597,000 shares from the previous period [3]