理工导航跌2.15%，成交额5099.35万元，主力资金净流出491.98万元

Group 1 - The core business of the company involves the research, development, production, and sales of inertial navigation systems and their core components, providing related technical services based on proprietary technology [2] - The company's main revenue sources are product sales (99.63%), with minimal contributions from other services [2] - As of September 30, the company reported a revenue of 129 million yuan for the first nine months of 2025, representing a year-on-year growth of 104.80%, while the net profit attributable to shareholders was -2.14 million yuan, a year-on-year increase of 93.54% [2] Group 2 - The company's stock price has increased by 91.59% year-to-date, with a 6.57% rise over the last five trading days and a 35.47% increase over the last 60 days [1] - The company has appeared on the trading leaderboard twice this year, with the most recent instance on November 28, where it recorded a net purchase of 38.86 million yuan [1] - As of September 30, the number of shareholders decreased by 9.46% to 4,824, while the average circulating shares per person increased by 166.14% to 18,242 shares [2] Group 3 - The company has distributed a total of 103 million yuan in dividends since its A-share listing, with 48.4 million yuan distributed over the past three years [3] - As of September 30, 2025, the top ten circulating shareholders included a notable increase in holdings by one major shareholder, while several others exited the top ten list [3]