收评：创业板指冲高回落跌超1% AI应用概念集体下挫

Core Viewpoint - The market experienced fluctuations with the ChiNext Index dropping over 1% after an initial rise of more than 1% in the morning session, indicating a volatile trading environment [1] Market Performance - The total trading volume in the Shanghai and Shenzhen markets reached 1.67 trillion, an increase of 765 billion compared to the previous trading day [1] - Over 3,800 stocks in the market declined, reflecting a broad-based sell-off [1] Sector Performance - The superhard materials sector showed strong performance, with Huanghe Xunfeng hitting the daily limit [1] - The coal sector also performed well, with Antai Group achieving two consecutive limit-ups, and Dayou Energy and New Dazhou A both hitting the daily limit [1] - The wind power sector saw gains, with Dajin Heavy Industry and Delijia both reaching the daily limit [1] - The commercial aerospace concept surged in the afternoon, with Shunhao Co. achieving four consecutive limit-ups and Aerospace Machinery achieving two limit-ups in four days [1] Declining Sectors - The AI application sector collectively weakened, with Fushi Holdings and Yinsai Group experiencing significant declines [1] - The sectors with the highest gains included cultivated diamonds, coal, and wind power equipment, while AI applications and lithium mining sectors faced the largest declines [1] Closing Indexes - At the close, the Shanghai Composite Index fell by 0.51%, the Shenzhen Component Index decreased by 0.78%, and the ChiNext Index dropped by 1.12% [1]