午评：创业板指半日跌近1% 黄金概念股集体下挫

Market Overview - The market experienced fluctuations, with the Shenzhen Component Index and the ChiNext Index briefly turning positive before declining again [1] - 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 companies like Shenke Co. and Shihua 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 reaching two consecutive trading limit increases [1] - The controllable nuclear fusion concept saw a resurgence, with Antai Technology and Atlantic both hitting the trading limit [1] - Conversely, the gold sector experienced a collective pullback, with Hunan Silver hitting the trading limit down [1] - The natural gas sector weakened, with Guoxin Energy also hitting the trading limit down [1] - Sectors such as engineering machinery, plant-based meat, and wind power showed significant gains, while gold and battery sectors faced notable declines [1] Index Performance - By the end of the trading session, the Shanghai Composite Index fell by 0.44%, the Shenzhen Component Index decreased by 0.81%, and the ChiNext Index dropped by 0.89% [1]