Zheng Xing Xing Ye Ri Bao·2025-12-31 09:07Group 1 - The refining and trading sector increased by 0.73% compared to the previous trading day, with Runbei Hangke leading the gains [1] - On the same day, the Shanghai Composite Index closed at 3968.84, up 0.09%, while the Shenzhen Component Index closed at 13525.02, down 0.58% [1] - Key stocks in the refining and trading sector showed varied performance, with Runbei Hangke closing at 39.48, up 5.31%, and China Petroleum at 10.41, up 1.56% [1] Group 2 - The refining and trading sector experienced a net outflow of 655 million yuan from main funds, while retail investors saw a net inflow of 549 million yuan [2] - The table of fund flows indicates that major stocks like Heshun Petroleum and Runbei Hangke had mixed net inflows and outflows from different investor types [3] - Heshun Petroleum had a main fund net inflow of 29.66 million yuan, while Runbei Hangke saw a net outflow of 30.16 million yuan from retail investors [3]