Group 1 - The core viewpoint indicates that the petrochemical industry is experiencing mixed performance, with the oil and petrochemical index declining by 0.57% compared to the previous week, while other petrochemical sectors showed a positive trend with a 1.15% increase [1] - The report highlights the importance of monitoring the progress of eliminating outdated facilities and upgrading within the petrochemical industry, alongside the stable reduction of US oil inventories [2] - Energy prices are fluctuating, with a noted decrease in US crude oil inventories and a mixed performance in refined oil inventories [3] Group 2 - In the polyester segment, the prices and margins of polyester filament are showing steady increases, with an uptick in inventory days and operating rates for weaving machines in Jiangsu and Zhejiang [3] - For olefins, the prices of sample polyolefin spot markets remain stable, accompanied by a decrease in inventory levels [3] - The refining sector may benefit from improved demand and progress in eliminating outdated production capacities [4]