北新建材涨2.01%，成交额1.78亿元，主力资金净流入2342.63万元

Group 1 - The core viewpoint of the news is that Beixin Building Materials has experienced fluctuations in stock price and trading volume, with a recent increase in share price and a notable market capitalization of 43.271 billion yuan [1] - As of December 19, Beixin Building Materials' stock price rose by 2.01% to 25.42 yuan per share, with a trading volume of 1.78 billion yuan and a turnover rate of 0.42% [1] - The company has seen a year-to-date stock price decline of 13.67%, but a recent increase of 5.08% over the last five trading days [1] Group 2 - For the period from January to September 2025, Beixin Building Materials reported a revenue of 19.905 billion yuan, a year-on-year decrease of 2.25%, and a net profit attributable to shareholders of 2.586 billion yuan, down 17.77% year-on-year [2] - The company has distributed a total of 9.562 billion yuan in dividends since its A-share listing, with 3.979 billion yuan distributed in the last three years [3] - As of September 30, 2025, the top ten circulating shareholders of Beixin Building Materials included significant institutional investors, with notable changes in shareholdings among them [3]