化工板块，逆势爆发

Market Overview - The A-share market experienced fluctuations and adjustments, with the Shanghai Composite Index turning negative again, and both the ChiNext Index and Shenzhen Component Index dropping over 1% [1] - The total trading volume in the Shanghai and Shenzhen markets reached 1.59 trillion yuan, a decrease of 73.8 billion yuan compared to the previous trading day [1] - Nearly 4,200 stocks in the market declined [1] Sector Performance - The chemical sector continued to strengthen, with Jin Niu Chemical achieving five consecutive trading limits in nine days, and several stocks such as Lu Hua Technology, Sanfangxiang, Hebang Bio, Ando-Mai A, and Baichuan Co. hitting the daily limit [3] - The coal sector saw gains, with Yanzhou Coal Mining and Zhengzhou Coal Electricity hitting the daily limit, and China Coal Energy reaching an 18-year high [3] - The green electricity concept remained active, with Green Power and Huadian Energy achieving three consecutive trading limits [3] - The carbon fiber concept continued to show strength, with Zhongfu Shenying and Jilin Chemical Fiber hitting the daily limit [3] Declining Sectors - The military industry sector weakened, with stocks like Hangya Technology experiencing declines [4] - At the close, the Shanghai Composite Index fell by 0.64%, the Shenzhen Component Index dropped by 1.35%, and the ChiNext Index decreased by 1.67% [4]