正邦科技涨2.33%，成交额3.13亿元，主力资金净流出1455.64万元

Group 1 - The core viewpoint of the news is that Zhengbang Technology's stock has shown a significant increase in price and trading activity, indicating positive market sentiment despite some net outflow of funds [1][2] - As of December 25, Zhengbang Technology's stock price rose by 20.21% year-to-date, with a recent increase of 0.86% over the last five trading days [1] - The company has a market capitalization of 32.468 billion yuan and reported a trading volume of 313 million yuan on December 25 [1] Group 2 - Zhengbang Technology operates primarily in the pig farming sector, with its main business revenue composition being 59.63% from pig farming, 38.31% from complete feed, and 0.92% from veterinary medicine [1][2] - As of November 20, the number of shareholders decreased by 5.45% to 156,200, while the average circulating shares per person increased by 6.76% to 46,233 shares [2] - For the period from January to September 2025, Zhengbang Technology achieved a revenue of 10.658 billion yuan, representing a year-on-year growth of 82.58%, but the net profit attributable to shareholders decreased by 97.25% to 8.2656 million yuan [2] Group 3 - Since its A-share listing, Zhengbang Technology has distributed a total of 2.864 billion yuan in dividends, with no dividends paid in the last three years [3]