中核科技涨2.01%，成交额1.25亿元，主力资金净流入566.96万元

Group 1 - The core viewpoint of the news is that 中核科技 (China Nuclear Technology) has shown a positive stock performance with a year-to-date increase of 19.38% and a recent rise in trading volume and market capitalization [1][2] - As of December 24, 中核科技's stock price reached 21.34 yuan per share, with a total market capitalization of 8.182 billion yuan and a trading volume of 1.25 billion yuan [1] - The company has experienced a net inflow of main funds amounting to 5.6696 million yuan, with significant buying and selling activities from large orders [1] Group 2 - 中核科技's main business involves the research, design, manufacturing, and sales of industrial valves, with revenue composition including nuclear power and nuclear chemical products (44.17%), oil and petrochemical products (29.26%), and other valves (22.16%) [2] - As of September 30, the company reported a revenue of 1.083 billion yuan for the first nine months of 2025, reflecting a year-on-year growth of 5.60%, while the net profit attributable to shareholders decreased by 3.58% to 112 million yuan [2] - The company has distributed a total of 623 million yuan in dividends since its A-share listing, with 201 million yuan distributed over the past three years [3]