北交所市场点评：北证50指数调整，周期板块逆势活跃

Investment Rating - The report does not explicitly provide an investment rating for the industry, but it discusses the potential for long-term growth and investment opportunities in the context of market adjustments and policy support [3]. Core Insights - The North Exchange A-shares trading volume reached 27.71 billion yuan on September 12, 2025, an increase of 0.49 billion yuan from the previous trading day, with the North Exchange 50 Index closing at 1600.88, down 2.11% [8][14]. - The report highlights that the cyclical sector is showing strength due to multiple factors, including domestic economic growth policies, global central bank easing, and a rebound in industrial metal demand [3]. - The upcoming change in stock codes for existing companies on the North Exchange, effective October 9, 2025, aims to enhance market recognition and trading efficiency, potentially attracting more institutional investors [3][20]. Summary by Sections Market Review - On September 12, 2025, the North Exchange A-shares saw a trading volume of 27.71 billion yuan, with 275 companies listed, of which 61 rose, 2 remained flat, and 212 fell [8][16]. - The top five gainers included Chicheng Co. (30.0%), Xinweiling (11.6%), Guoyi Bidding (8.6%), Guangzi International (7.6%), and Hujiang Materials (7.5%) [16][18]. - The top five losers were Guangdao Digital (-14.5%), Donghe New Materials (-7.2%), Naconoer (-7.2%), Juxing Technology (-6.0%), and Fangsheng Co. (-5.7%) [16][17]. Important News - The State Council meeting on September 12, 2025, emphasized support for private capital investment in new productive forces, emerging services, and new infrastructure [2][19]. - The North Exchange will implement new stock codes for existing companies starting October 9, 2025, to improve transaction processes and market efficiency [20]. Key Company Announcements - Night Light announced a plan to invest up to 100 million yuan of idle funds in safe and liquid financial products [21]. - Chuangyuan Xinke reported using 79 million yuan of idle funds for financial products, with a remaining balance of 94.26 million yuan [22]. - Hongzhi Technology received a patent for a smart rice cooker control method based on dynamic temperature curve learning [23].