市场震荡分化，创业板指半日涨2.41%，芯片股再度爆发

Market Overview - The market experienced fluctuations with the ChiNext leading gains, and the STAR 50 Index rising over 4% [1] - As of the midday close, the Shanghai Composite Index increased by 0.33%, the Shenzhen Component Index rose by 1.34%, and the ChiNext Index gained 2.41% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.73 trillion yuan, an increase of 48.3 billion yuan compared to the previous trading day [1] Sector Performance - Key sectors showing strong performance included semiconductor, CPO, AI glasses, and rare earth permanent magnet stocks, while sectors like liquor, coal, insurance, and poultry farming saw declines [3] - Notable stocks in the computing power hardware sector surged, with companies like New Yi Sheng reaching historical highs [2] - Chip stocks also saw a resurgence, with Longchuan Technology hitting the daily limit [2] Market Sentiment - The market sentiment indicated a high level of activity, with over 3,000 stocks declining, while the number of stocks hitting the daily limit was 53 [5] - The limit-up rate was recorded at 68%, with a profit rate of 59% [4]