Zheng Xing Xing Ye Ri Bao·2025-09-16 08:52Market Overview - The refining and trading sector experienced a decline of 0.99% on September 16, with China Petroleum leading the drop [1] - The Shanghai Composite Index closed at 3861.87, up 0.04%, while the Shenzhen Component Index closed at 13063.97, up 0.45% [1] Stock Performance - Notable gainers in the refining and trading sector included: - Hengtong Co., Ltd. (603223) with a closing price of 9.88, up 3.89% [1] - Baoli International (300135) with a closing price of 4.42, up 3.51% [1] - Major decliners included: - China Petroleum (601857) with a closing price of 8.64, down 1.48% [2] - Hengyi Petrochemical (000703) with a closing price of 6.51, down 1.36% [2] Trading Volume and Capital Flow - The refining and trading sector saw a net outflow of 395 million yuan from institutional investors, while retail investors contributed a net inflow of 123 million yuan [2] - The trading volume for key stocks included: - China Petroleum with a trading volume of 1.79 million hands and a transaction value of 1.55 billion yuan [2] - Hengtong Co., Ltd. with a trading volume of 136,200 hands and a transaction value of 133 million yuan [1] Capital Inflow Analysis - Key stocks with significant net inflows from institutional investors included: - Hengtong Co., Ltd. with a net inflow of 19.76 million yuan, accounting for 14.87% of its trading volume [3] - Hengli Petrochemical with a net inflow of 18.48 million yuan, accounting for 4.11% of its trading volume [3] - Conversely, stocks like Baoli International experienced a net outflow of 9.15 million yuan from institutional investors [3]