长川科技涨2.07%，成交额24.62亿元，主力资金净流入2313.24万元

Group 1 - The core viewpoint of the news is that Changchuan Technology has shown significant stock price growth and strong financial performance in recent months, indicating a positive market sentiment towards the company [1][2]. - As of January 15, Changchuan Technology's stock price increased by 30.02% year-to-date, with a 6.53% rise in the last five trading days and a 50.43% increase over the past 20 days [2]. - The company reported a revenue of 3.779 billion yuan for the period from January to September 2025, representing a year-on-year growth of 49.05%, and a net profit of 865 million yuan, which is a 142.14% increase compared to the previous year [2]. Group 2 - Changchuan Technology's main business involves the research, production, and sales of integrated circuit equipment, with revenue composition being 57.68% from testing machines, 32.73% from sorting machines, and 9.59% from other sources [2]. - The company has distributed a total of 305 million yuan in dividends since its A-share listing, with 187 million yuan distributed in the last three years [3]. - As of September 30, 2025, the top ten circulating shareholders of Changchuan Technology include Hong Kong Central Clearing Limited and E Fund's Growth Enterprise Board ETF, with notable changes in their holdings [3].