SDL(SZ:002658) Zheng Xing Xing Ye Ri Bao·2025-11-07 08:47Core Insights - The environmental equipment sector saw a slight increase of 0.45% on November 7, with Xuedilong leading the gains [1] - The Shanghai Composite Index closed at 3997.56, down 0.25%, while the Shenzhen Component Index closed at 13404.06, down 0.36% [1] Stock Performance Summary - Xuedilong (002658) closed at 9.43, up 10.04%, with a trading volume of 408,800 shares and a transaction value of 374 million yuan [1] - Other notable performers included ST Qingyan (301288) with a 3.10% increase, and Bixing Wulian (688671) with a 2.50% increase [1] - Conversely, Guolin Technology (300786) experienced a decline of 2.36%, with a trading volume of 125,400 shares and a transaction value of 211 million yuan [2] Capital Flow Analysis - The environmental equipment sector experienced a net inflow of 136 million yuan from institutional investors, while retail investors saw a net outflow of 733.46 million yuan [2][3] - Xuedilong had a significant net inflow of 148 million yuan from institutional investors, but also faced a net outflow of 75.43 million yuan from retail investors [3] - Longjing Environmental (600388) reported a net inflow of 32.19 million yuan from institutional investors, while also experiencing a net outflow from retail investors [3]