A股午评：创业板指涨超2% 全市场超4700只个股上涨

Market Overview - The market experienced a collective rebound in early trading, with the Shanghai Composite Index rising over 1% and the ChiNext Index increasing by over 2% [1][2] - By the end of trading, the Shanghai Composite Index rose by 1.2%, the Shenzhen Component Index increased by 1.98%, and the ChiNext Index gained 2.24% [1][2] - The total trading volume in the Shanghai and Shenzhen markets reached 2.22 trillion yuan, a decrease of 215.5 billion yuan compared to the previous trading day [1][2] Sector Performance - The AI application sector saw a significant surge, with over twenty constituent stocks hitting the daily limit, including Liou Co., which achieved six limit-ups in nine days [1][2] - The semiconductor sector also performed well, with Yaxin Integration hitting a historical high [1][2] - The commercial aerospace concept remained active, with Haige Communication achieving three consecutive limit-ups and new highs [1][2] - Other stocks such as Sanwei Tiandi, Jiayuan Technology, and Datang Telecom also reached their daily limit [1][2] - The Alibaba Cloud concept continued to rise, with Hangang Co. and Data Port both hitting the daily limit [1][2]