Group 1: Chemical Sector Performance - The chemical sector indices experienced declines, with the chemical raw materials index down by 0.65%, chemical machinery index down by 2.97%, pharmaceutical index down by 2.19%, and pesticide and fertilizer index down by 0.73% [1] - In contrast, the oil sector indices showed positive performance, with the oil processing index up by 6.19%, oil extraction index up by 4.93%, and oil trading index up by 2.66% [1] Group 2: Oil Price Movements - International crude oil prices showed a strong fluctuation, with WTI settling at $57.32 per barrel, an increase of 1.02% from December 26, 2025, and Brent settling at $60.75 per barrel, an increase of 0.18% [1] Group 3: Petrochemical Product Price Changes - The top five petrochemical products with price increases included industrial-grade lithium carbonate up by 22.37%, purified terephthalic acid up by 8.32%, paraxylene (CFR China) up by 6.97%, polyester FDY up by 5.04%, and shale oil up by 4.98% [1] - The top five petrochemical products with price declines included liquid chlorine down by 37.72%, liquefied natural gas down by 6.69%, pure MDI down by 4.23%, sulfur down by 3.96%, and vitamin D3 down by 3.85% [1] Group 4: Capital Market Performance of Chemical Companies - The top five performing listed chemical companies included Guoli Technology up by 20.18%, Heshun Technology up by 19.11%, Longgao Co. up by 18.91%, Shuangwei New Materials up by 15.68%, and Cangzhou Dahua up by 14.56% [2] - The bottom five performing listed chemical companies included Qingshuiyuan down by 12.54%, Shilong Industrial down by 11.51%, Ruihua Tai down by 10.92%, Monte High-tech down by 10.21%, and Kaisheng New Materials down by 9.80% [2]

Group 1: Chemical Sector Performance - The chemical raw materials index increased by 1.62%, while the chemical machinery index decreased by 0.96%, the chemical pharmaceuticals index fell by 1.69%, and the pesticide and fertilizer index rose by 4.21% [1] - The top five rising petrochemical products included folic acid up by 20%, battery-grade lithium carbonate up by 11.08%, nitric acid up by 10.43%, sulfur up by 9.95%, and petroleum coke up by 7.23% [1] - The top five declining petrochemical products were liquid chlorine down by 34%, butadiene down by 7.69%, 2,4-D down by 6.09%, trichloroethylene down by 6.00%, and SBS down by 5.90% [1] Group 2: Oil Sector Performance - The oil processing index rose by 1.39%, while the oil extraction index fell by 0.22%, and the oil trading index increased by 3.44% [1] - International crude oil prices continued to decline, with West Texas Intermediate crude oil futures settling at $56.66 per barrel, down 1.36% from December 12, and Brent crude oil futures settling at $60.47 per barrel, down 1.06% from December 12 [1] Group 3: Capital Market Performance of Listed Chemical Companies - The top five rising listed chemical companies included Sulihua Co., Ltd. up by 30.69%, Xinri Hengli up by 27.48%, Reborn Technology up by 23.25%, Ruihua Tai up by 20.93%, and Shenjian Co., Ltd. up by 20.50% [2] - The top five declining listed chemical companies were Huarong Chemical down by 20.01%, Enjie Co., Ltd. down by 18.36%, Weike Technology down by 13.15%, Jinbantai down by 12.83%, and Xingye Co., Ltd. down by 12.63% [2]

Group 1: Industry Performance - The petrochemical index saw an overall increase, with six indices rising and only the chemical machinery index declining by 4.02% [1] - The chemical raw materials index rose by 3.44%, the pharmaceutical index increased by 3.09%, and the pesticide and fertilizer index went up by 3.18% [1] - In the oil sector, the oil processing index increased by 1.84%, the oil extraction index rose by 1.42%, and the oil trading index surged by 7.39% [1] Group 2: Commodity Prices - International crude oil prices experienced slight upward fluctuations, with WTI settling at $60.09 per barrel, up 0.57% from November 7, and Brent at $64.39 per barrel, up 1.19% [1] - The top five petrochemical products with the highest price increases included DMC (up 18.18%), natural rubber (up 13.22%), D4 (up 13.04%), 107 glue (up 12.71%), and methyl acrylate (up 8.03%) [1] - The five petrochemical products with the largest price declines were isooctyl acrylate (down 7.69%), 2,4-dichlorophenoxyacetic acid (down 4.29%), dichloromethane (down 3.64%), diethylene glycol (down 3.53%), and vitamin D3 (down 3.33%) [1] Group 3: Capital Market Performance - The top five listed chemical companies with the highest stock price increases were Shida Shenghua (up 43.44%), Yongtai Technology (up 33.89%), Aoke Shares (up 23.36%), Taihe Technology (up 23.59%), and Kaisheng New Materials (up 23.03%) [2] - The five listed chemical companies with the largest stock price declines included Xiangyuan New Materials (down 15.42%), Xinhang New Materials (down 14.15%), Dongcai Technology (down 13.52%), Kaili New Materials (down 12.60%), and Asia-Pacific Industry (down 11.16%) [2]