Zheng Xing Xing Ye Ri Bao·2026-01-20 08:59Group 1 - The refining and trading sector increased by 1.65% on January 20, with Bohai Chemical leading the gains [1] - The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1] - Key stocks in the refining and trading sector showed significant price increases, with Bohai Chemical rising by 7.56% to a closing price of 4.84, and Hengli Petrochemical increasing by 6.62% to 26.74 [1] Group 2 - The refining and trading sector saw a net inflow of 1.09 billion yuan from main funds, while retail investors experienced a net outflow of 2.73 billion yuan [2] - Major stocks like Hengli Petrochemical had a net inflow of 1.92 billion yuan from main funds, indicating strong institutional interest [3] - Retail investors showed a negative sentiment towards several stocks, with significant outflows from companies like ST Shenhua and Hengyi Petrochemical [3]