A股午评：创业板指跌0.17%，太空光伏概念爆发

Market Overview - The market experienced a high opening but retreated, with the three major indices briefly turning negative. By the end of the morning session, the Shanghai Composite Index rose by 0.27%, the Shenzhen Component Index increased by 0.24%, while the ChiNext Index fell by 0.17% [1] Sector Performance - The photovoltaic sector surged, led by space photovoltaic stocks, with JunDa Co., Ltd. achieving two consecutive trading limits, and several other stocks like GCL-Poly Energy and Mingyang Smart Energy hitting the daily limit [2] - The commercial aerospace sector remained active, with over ten constituent stocks reaching the daily limit, including Goldwind Technology and Runbei Aerospace Science and Technology [2] - The precious metals sector continued its strong performance, with silver and non-ferrous metals stocks achieving four consecutive trading limits, including China National Gold and Yuguang Gold Lead [2] - The AI application sector saw gains, with Zhejiang Wenhu Internet Technology achieving two trading limits in four days [2] - The pharmaceutical commercial sector was also active, with stocks like Renmin Tongtai and Yifeng Pharmacy hitting the daily limit [2] Declining Stocks - The computing hardware sector saw declines, with Tengjing Technology and Xinyi Sheng both dropping over 6% [3] Trading Volume - The total trading volume in the Shanghai and Shenzhen markets reached 1.89 trillion yuan, an increase of 19.4 billion yuan compared to the previous trading day [4] Individual Stock Highlights - Aerospace Electronics had the highest trading volume at over 16.2 billion yuan, followed by Zhongji Xuchuang and Xinyi Sheng [5]