Sou Hu Cai Jing·2025-10-28 09:11Market Overview - The participation fund sector experienced a slight decline of 0.06% compared to the previous trading day, with Hengtong Optic-Electric leading the drop [1] - The Shanghai Composite Index closed at 3988.22, down 0.22%, while the Shenzhen Component Index closed at 13430.1, down 0.44% [1] Stock Performance - Notable gainers in the participation fund sector included: - Guomai Technology (Code: 002093) with a closing price of 11.54, up 1.67% and a trading volume of 256,100 shares [1] - Haixin Co., Ltd. (Code: 600851) with a closing price of 6.81, up 1.49% and a trading volume of 99,400 shares [1] - Industrial and Commercial Bank of China (Code: 601398) with a closing price of 7.99, up 1.01% and a trading volume of 3,320,400 shares [1] - Major decliners included: - Hengtong Optic-Electric (Code: 600226) with a closing price of 4.26, down 6.37% and a trading volume of 1,332,300 shares [2] - Guoyuan Securities (Code: 000728) with a closing price of 8.91, down 5.41% and a trading volume of 1,456,500 shares [2] - Great Wall Securities (Code: 002939) with a closing price of 11.41, down 3.88% and a trading volume of 963,700 shares [2] Capital Flow - The participation fund sector saw a net outflow of 2.201 billion yuan from institutional investors, while retail investors experienced a net inflow of 908 million yuan [2][3] - Notable capital flows included: - Industrial and Commercial Bank of China with a net inflow of 86.098 million yuan from institutional investors [3] - Suzhou High-tech (Code: 600736) with a net inflow of 22.7105 million yuan from institutional investors [3] - Hengtong Optic-Electric with a net outflow of 24.8845 million yuan from retail investors [3]