北交所周报：北交所启动存量上市公司代码切换工作，北证50成分股迎定期调整

Group 1: Market Overview - The overall performance of the Beijing Stock Exchange (BSE) was weak during the week, with the market capitalization closing at 636.94 billion yuan on December 13, 2024, a decrease of 5.7% from the opening on December 9, 2024 [23][15]. - Among the 260 stocks listed on the BSE, 26 stocks increased, 1 remained flat, and 233 stocks decreased, with the best performer, Wuxin Tunnel Equipment, rising by 36.3%, while Kolon New Materials fell by 32.5% [23][28]. - The BSE's trading volume for the week was 118.9 billion yuan, with an average weekly trading amount of 4.6 million yuan and a turnover rate of 40.8%, indicating a decline in liquidity compared to the previous week [15][23]. Group 2: Company Listings and Dynamics - No new stocks were listed on the BSE this week, but two companies are set to update their IPO dynamics next week: Fangzheng Valve will hold a roadshow and issue announcements, while Lintai New Materials will be listed [18][22]. - Fangzheng Valve, operating in the machinery sector, reported a revenue of 680 million yuan and a net profit of 6.06 million yuan for 2023, with an issue price of 3.5 yuan per share and a post-issue P/E ratio of 8.4 times [18][21]. - Lintai New Materials, in the automotive sector, reported a revenue of 210 million yuan and a net profit of 4.92 million yuan for 2023, with an issue price of 19.8 yuan per share and a post-issue P/E ratio of 17.9 times [21][22]. Group 3: Industry Performance - The average market capitalization of BSE companies is 2.45 billion yuan, significantly lower than the average market capitalization of 9.8 billion yuan for the ChiNext and 11.97 billion yuan for the Sci-Tech Innovation Board [15][16]. - The median P/E ratio (TTM) for the BSE is 41.0 times, which has decreased by 4.2 times compared to the previous week [15][16]. - The food and beverage sector showed relatively good performance with a median sector return of 2.0%, while the media sector performed poorly with a median return of -14.9% [32][33]. Group 4: Fund Performance - The BSE-related thematic funds performed well this week, with the Huatai-PineBridge BSE Innovation Selected Mixed Fund A showing a return of approximately 3.0%, outperforming the overall fund performance [34][35]. - The BSE index fund products, however, performed poorly, with the Guangfa BSE 50 Index A and C showing a slight decline of about -0.11% [34][35].