Zheng Xing Xing Ye Ri Bao·2025-09-30 08:51Group 1 - The environmental equipment sector rose by 1.32% on September 30, with Guolin Technology leading the gains [1] - The Shanghai Composite Index closed at 3882.78, up 0.52%, while the Shenzhen Component Index closed at 13526.51, up 0.35% [1] - Guolin Technology's stock price increased by 20.00% to 19.86, with a trading volume of 403,400 shares and a transaction value of 752 million [1] Group 2 - The environmental equipment sector saw a net inflow of 378 million from institutional investors, while retail investors experienced a net outflow of 220 million [2] - Huahong Technology had a net inflow of 255 million from institutional investors, representing 23.85% of its total trading volume [3] - The stock of Yingfeng Environment had a net inflow of 39.88 million from institutional investors, accounting for 13.71% of its trading volume [3]