Group 1: Oil and Chemical Indices Performance - The oil indices showed an overall increase, with all three oil indices rising, while all four chemical indices experienced declines [1] - The chemical raw materials index fell by 1.98%, the chemical machinery index decreased by 1.73%, the chemical pharmaceuticals index dropped by 3.11%, and the pesticide and fertilizer index declined by 2.06% [1] - In contrast, the oil processing index increased by 4.01%, the oil extraction index rose by 12.08%, and the oil trading index went up by 5.87% [1] Group 2: International Oil Prices - International crude oil prices saw a significant increase, with WTI crude oil futures settling at $65.21 per barrel, up 6.78% from January 23 [1] - Brent crude oil futures settled at $70.69 per barrel, reflecting a 7.30% increase from January 23 [1] Group 3: Petrochemical Product Price Changes - The top five petrochemical products with the highest price increases included octanol (up 8.42%), adipic acid (up 7.95%), carbon black (up 7.94%), Brent (up 7.30%), and butadiene (up 6.98%) [1] - The five petrochemical products with the largest price declines were hydrogen peroxide (down 7.66%), lithium battery electrolyte (down 7.04%), battery-grade lithium carbonate (down 5.91%), paraquat 42% mother liquor (down 5.56%), and hydrochloric acid (down 3.70%) [1] Group 4: Capital Market Performance of Listed Chemical Companies - The top five listed chemical companies with the highest stock price increases were Tongyuan Petroleum (up 63.03%), Sidike (up 60.03%), Runtu Co. (up 34.08%), Qianeng Hengxin (up 33.43%), and Sinopec Oilfield Service (up 29.66%) [2] - The five listed chemical companies with the largest stock price declines included Gaomeng New Materials (down 21.06%), Guofeng New Materials (down 19.37%), Jianghua Micro (down 19.01%), Lafang Jiahua (down 18.74%), and Shuangwei New Materials (down 16.26%) [2]