午评：科创50指数半日涨近3%，半导体、商业航天等泛科技板块爆发

Market Performance - The three major indices collectively rose in early trading, with the Shanghai Composite Index up 0.42%, the Shenzhen Component Index up 1.3%, and the ChiNext Index up 2.09% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.2393 trillion yuan, an increase of 181.3 billion yuan compared to the previous day [1] - Over 2900 stocks in the market experienced gains [1] Sector Performance - The storage chip, commercial aerospace, computing hardware, and quantum technology sectors saw significant gains [1] - The storage chip sector had a collective surge, with companies like Kexiang Co., Puran Co., and Dawi Co. hitting the daily limit, while Xiangnong Chip Innovation rose over 15% to reach a historical high [1] - The commercial aerospace sector also experienced a breakout, with Aerospace Intelligent Equipment hitting the daily limit and companies like Dahua Intelligent, China Satellite, and Zhongtian Rocket also reaching the daily limit [1] - The computing hardware stocks performed strongly, with Zhongji Xuchuang hitting a new high and Shengyi Electronics reaching the daily limit, alongside other companies like Huilv Ecology and Shenghong Technology showing upward movement [1] - Other active sectors included quantum technology, military equipment, and brain-computer interface [1] Declining Sectors - The coal mining and oil and gas extraction sectors collectively retreated, with companies like Yunmei Energy and Antai Group hitting the daily limit down, while companies like Quanyou Co., Beiken Energy, and Tongyuan Petroleum saw significant declines [1] - Shenzhen local stocks experienced a substantial pullback, with Shen Shui Guiyuan dropping over 10%, and companies like Shen Property A and Shen Textile A leading the decline [1]