化工板块，集体走强

Market Overview - The A-share market showed a rebound in early trading, with all three major indices turning positive after previously dropping over 1% [1] - The half-day trading volume in the Shanghai and Shenzhen markets was 1.38 trillion, a decrease of 63.3 billion compared to the previous trading day [1] - Over 3,800 stocks in the market experienced an increase [1] Sector Performance - The chemical sector saw a collective rise, with stocks such as Cangzhou Dahua, Jinniu Chemical, Baichuan Co., and Baihehua hitting the daily limit [3] - The humanoid robot concept performed actively, with stocks like Wuzhou Xinchun, Liancheng Precision, and Tianqi Co. also reaching the daily limit [3] - The non-ferrous metals sector rebounded, with Hunan Gold and Xianglu Tungsten hitting the daily limit [3] - The optical communication concept experienced a volatile recovery, with Hangdian Co. achieving five consecutive daily limits in six days [3] - The traditional Chinese medicine sector opened actively, with Te Yi Pharmaceutical hitting the daily limit [3] - Conversely, the consumer sector faced a collective decline, particularly in the liquor and tourism hotel sectors, with Huangtai Liquor and Dalian Shengya hitting the daily limit [3] - By the end of trading, the Shanghai Composite Index rose by 0.11%, the Shenzhen Component Index increased by 0.65%, and the ChiNext Index also rose by 0.65% [3]