北辰实业转型新业务，股价窄幅波动

Group 1 - The core viewpoint of the article discusses the business transformation of Beichen Real Estate, highlighting its revenue growth in the exhibition and commercial sectors despite a loss of 2.174 billion yuan in the first three quarters of 2025 [1] - The company reported a 32% year-on-year revenue increase in its exhibition and commercial segments, indicating a strategic shift towards new business areas such as robotics, energy storage, and AI exhibitions [1] - Beichen Group, the controlling shareholder, has increased its stake in A-shares by 35.0575 million yuan from September 2025 to January 2026, reflecting long-term confidence in the company's prospects [1] Group 2 - The stock price has shown narrow fluctuations over the past week, closing at 0.80 HKD on February 16 and 0.81 HKD on February 20, with a price range fluctuation of 2.47% [1] - Technical indicators show that the MACD histogram has turned positive to 0.002, suggesting a slight improvement in short-term momentum, although trading volume remains low [1] - The market participation is characterized by net outflows from retail investors, indicating low market engagement [1]