化工板块，集体大涨

Market Overview - The A-share market saw all three major indices close higher, with the ChiNext index initially rising over 2% before pulling back [1] - The total trading volume in the Shanghai and Shenzhen markets reached 2.51 trillion yuan, an increase of 110.5 billion yuan compared to the previous trading day [7] - Despite the overall market rise, over 3,200 stocks declined [1] Sector Performance - The chemical sector experienced a collective rebound, with coal chemical and salt chemical leading the gains. Notable stocks included Jinniu Chemical, Zhongyan Chemical, Jinpu Titanium, Baichuan Co., and Lianke Technology, all hitting the daily limit [1] - The green energy concept surged, with Green Power gaining for two consecutive days and energy-saving wind power stocks hitting the daily limit [1] - The energy storage concept remained active, with stocks like Chint Power and Shouhang New Energy also hitting the daily limit [1] - The lithium mining sector showed strong performance, with Weiling Co. achieving two limits in four days [1] Declining Sectors - The small metals sector saw a decline, with Xianglu Tungsten and Zhongtung High-tech both dropping over 5% [2] - The gas turbine sector weakened, with stocks such as Jerry Holdings, Tunan Co., and Hailianxun collectively falling [2] Index Performance - The Shanghai Composite Index rose by 0.25%, the Shenzhen Component Index increased by 0.78%, and the ChiNext Index gained 1.31% [3][4]