A股午评：创业板指跌近1% 黄金概念股集体回调

Market Overview - The market experienced fluctuations, with the Shenzhen Component Index and the ChiNext Index turning positive briefly before declining again. The Shanghai Composite Index fell by 0.44%, the Shenzhen Component Index by 0.81%, and the ChiNext Index by 0.89% [1] Trading Volume - The total trading volume in the Shanghai and Shenzhen markets was 1.1 trillion, a decrease of 53.5 billion compared to the previous trading day [1] Sector Performance - The deep earth economy concept continued to perform strongly, with stocks like ShenKai Co. and Petrochemical Machinery achieving three consecutive trading limit increases [1] - The Hubei state-owned assets concept maintained its strength, with stocks such as Wuhan Holdings and Hubei Broadcasting advancing to two consecutive trading limit increases [1] - The controllable nuclear fusion concept saw a resurgence, with AnTai Technology and DaXiYang both hitting the trading limit [1] Declining Sectors - The gold sector experienced a collective pullback, with Hunan Silver hitting the trading limit down [1] - The natural gas sector weakened, with Guo Xin Energy also hitting the trading limit down [1] Leading Sectors - The engineering machinery, plant-based meat, and wind power sectors showed significant gains [1] - Conversely, the gold and battery sectors recorded notable declines [1]