Zheng Xing Xing Ye Ri Bao·2025-08-21 08:38Core Insights - The environmental equipment sector experienced a 0.56% increase on August 21, with Hengyu Environmental leading the gains [1] - The Shanghai Composite Index closed at 3771.1, up 0.13%, while the Shenzhen Component Index closed at 11919.76, down 0.06% [1] Environmental Equipment Sector Performance - Hengying Environmental (688309) saw a significant increase of 19.98%, closing at 27.80 with a trading volume of 61,400 shares and a transaction value of 167 million [1] - Other notable performers included Xuedilong (002658) with a 4.24% increase, Huahong Technology (002645) up 3.84%, and Yingfeng Environment (000967) rising by 3.07% [1] - The sector's overall trading volume and transaction values indicate active market participation, with Huahong Technology achieving a transaction value of 1.68 billion [1] Capital Flow Analysis - The environmental equipment sector saw a net inflow of 594,900 yuan from institutional investors, while retail investors contributed a net inflow of 1.54 million yuan [2] - Notably, Xuedilong (002658) had a net inflow of 54.30 million yuan from institutional investors, despite a net outflow from retail investors [3] - The overall capital flow indicates a mixed sentiment, with institutional investors showing confidence in certain stocks while retail investors exhibited caution [2][3]