Zheng Xing Xing Ye Ri Bao·2025-08-28 08:42Market Overview - The refining and trading sector increased by 0.27% on August 28, with Hengli Petrochemical leading the gains [1] - The Shanghai Composite Index closed at 3843.6, up 1.14%, while the Shenzhen Component Index closed at 12571.37, up 2.25% [1] Stock Performance - Hengli Petrochemical (600346) closed at 17.64, up 2.20% with a trading volume of 289,700 shares and a turnover of 506 million yuan [1] - Other notable performers included: - Bohai Chemical (300839) at 14.32, up 1.49% [1] - Huajin Chemical (000059) at 5.35, up 1.33% [1] - Hengyi Petrochemical (000703) at 6.42, up 1.26% [1] - Rongsheng Petrochemical (002493) at 10.00, up 1.01% [1] Capital Flow - The refining and trading sector experienced a net outflow of 493 million yuan from institutional investors, while retail investors saw a net inflow of 388 million yuan [2] - The sector's overall capital flow indicates a mixed sentiment among different investor types [2] Individual Stock Capital Flow - China Petroleum & Chemical (600028) had a net inflow of 71.12 million yuan from institutional investors, while it faced a net outflow of 70.12 million yuan from retail investors [3] - Huajin Chemical (000059) saw a net inflow of 6.47 million yuan from institutional investors, with a net outflow of 10.19 million yuan from retail investors [3] - Hengyi Petrochemical (000703) reported a net outflow of 12.30 million yuan from institutional investors, while retail investors had a net inflow of 902.77 million yuan [3]