午评：沪指半日跌0.16% 化学原料板块涨幅居前

Core Viewpoint - The A-share market experienced a collective decline in major indices, with the Shanghai Composite Index down by 0.16%, Shenzhen Component Index also down by 0.16%, and the ChiNext Index down by 0.37% as of the midday close [1] Sector Performance - The chemical raw materials sector led the gainers with an increase of 2.53%, achieving a total transaction volume of 1,500.98 million hands and a total transaction value of 148.99 billion [2] - Agricultural chemical products followed closely with a rise of 2.39%, with a transaction volume of 1,938.01 million hands and a transaction value of 234.83 billion [2] - The battery sector saw an increase of 2.24%, with a transaction volume of 2,090.73 million hands and a transaction value of 665.59 billion [2] - Chemical products also performed well, rising by 1.88%, with a transaction volume of 2,297.74 million hands and a transaction value of 389.02 billion [2] - In contrast, the software development sector experienced the largest decline at -1.35%, with a transaction volume of 1,227.86 million hands and a transaction value of 302.22 billion [2] - Other sectors such as components and IT services also faced declines of -1.15% and -1.10% respectively, indicating a broader trend of weakness in technology-related industries [2]