A股午评：创业板指跌0.4%，商业航天概念集体回暖

Market Overview - The market experienced a pullback after an initial rise, with all three major indices turning negative. The Shanghai Composite Index fell by 0.15%, the Shenzhen Component Index decreased by 0.17%, and the ChiNext Index dropped by 0.4% [1] - Despite the overall decline, over 3,200 stocks in the market saw an increase [1] Sector Performance - The commercial aerospace sector showed continued recovery, with over ten constituent stocks hitting the daily limit up, including Jieli Rigging and Zhongchao Holdings [2] - The oil and gas sector maintained its strong performance, with Intercontinental Oil and Gas reaching the daily limit up [2] - The coal sector experienced a rapid surge, with Dayou Energy hitting the daily limit up [2] - The robotics sector also showed strength, with stocks like Fulai New Materials and Yichang Technology reaching the daily limit up [2] - In contrast, the precious metals sector faced a pullback, with West Gold and Xiaocheng Technology both declining over 5% [2] Trading Volume - The total trading volume in the Shanghai and Shenzhen markets reached 1.77 trillion yuan, an increase of 142.6 billion yuan compared to the previous trading day [3] Individual Stock Highlights - Lanke Technology led in trading volume with over 15.2 billion yuan, followed by Aerospace Electronics and Tongfu Microelectronics [4] - Notable stock performances included: - Lanke Technology: +3.90%, trading at 166.26 yuan, with a trading volume of 15.24 billion yuan [5] - Aerospace Electronics: +6.09%, trading at 28.57 yuan, with a trading volume of 13.47 billion yuan [5] - Tongfu Microelectronics: -1.55%, trading at 55.24 yuan, with a trading volume of 12.20 billion yuan [5] - Haiguang Information: -0.89%, trading at 285.54 yuan, with a trading volume of 11.58 billion yuan [5] - China Great Wall: +6.79%, trading at 19.03 yuan, with a trading volume of 10.15 billion yuan [5]