AI应用概念集体下挫

Market Overview - The A-share market experienced fluctuations with the ChiNext index dropping over 1%, despite an early gain of more than 1%. The total trading volume in the Shanghai and Shenzhen markets reached 1.67 trillion yuan, an increase of 76.5 billion yuan compared to the previous trading day. Over 3,800 stocks in the market declined [1]. Sector Performance - The superhard materials sector showed strong performance, with Huanghe Xuanfeng hitting the daily limit. The coal sector also strengthened, with Antai Group achieving two consecutive limit-ups, and Dayou Energy and New Dazhou A both hitting the daily limit. The wind power sector saw gains, with Dajin Heavy Industry and Delijia both reaching the daily limit. The commercial aerospace concept surged in the afternoon, with Shunhao Co. achieving four consecutive limit-ups and Aerospace Machinery Electric hitting the limit twice in four days [1][2]. Declining Sectors - The AI application sector collectively weakened, with Fushi Holdings and Yinsai Group experiencing significant declines. Additionally, the lithium mining sector also faced downturns [2]. Closing Summary - By the end of the trading session, the Shanghai Composite Index fell by 0.51%, the Shenzhen Component Index decreased by 0.78%, and the ChiNext Index dropped by 1.12% [3].