A股午评：创业板指跌0.8% 福建、AI应用概念集体走强

Market Overview - The market experienced fluctuations with the Shenzhen Component Index turning positive before retreating again [1][2] - The half-day trading volume in the Shanghai and Shenzhen markets reached 1.27 trillion, an increase of 32.9 billion compared to the previous trading day [1][2] - Over 2900 stocks in the market declined, indicating a broad market downturn [1][2] Sector Performance - The Fujian sector saw a resurgence, with stocks like Xiamen Construction and Pingtan Development hitting the daily limit [1][2] - The AI application concept gained momentum, with multiple stocks including 360 Technology also reaching the daily limit [1][2] - The lithium mining sector was active, highlighted by Dazhong Mining achieving three consecutive limit-ups [1][2] Stock Movements - Pharmaceutical stocks showed divergence, with Jimin Health and Yaoyigou experiencing declines [1][2] - At market close, the Shanghai Composite Index fell by 0.43%, the Shenzhen Component Index decreased by 0.35%, and the ChiNext Index dropped by 0.8% [1][2]