Zheng Xing Xing Ye Ri Bao·2025-10-31 08:42Core Insights - The professional services sector saw a rise of 1.23% on October 31, with Ancar Detection leading the gains [1] - The Shanghai Composite Index closed at 3954.79, down 0.81%, while the Shenzhen Component Index closed at 13378.21, down 1.14% [1] Company Performance - Ancar Detection (300572) closed at 35.63, up 8.86% with a trading volume of 163,900 shares and a transaction value of 579 million [1] - Shicun Detection (301228) closed at 25.41, up 5.30% with a trading volume of 51,400 shares and a transaction value of 130 million [1] - Keri International (300662) closed at 29.45, up 4.99% with a trading volume of 102,800 shares and a transaction value of 299 million [1] - Puni Testing (300887) closed at 8.29, up 4.02% with a trading volume of 148,700 shares and a transaction value of 123 million [1] - Zero Point Data (301169) closed at 45.16, up 3.15% with a trading volume of 22,700 shares and a transaction value of 102 million [1] Market Capital Flow - The professional services sector experienced a net inflow of 59.68 million from institutional investors, while retail investors saw a net inflow of 74.99 million [2] - The sector's overall market activity indicated a net outflow of 135 million from speculative funds [2] Detailed Fund Flow - Major net inflows were observed in companies like Zhonggang Tianyuan (002057) with 20.63 million and Lansheng Co. (600826) with 18.61 million [3] - Ancar Detection (300572) had a net inflow of 10.09 million from institutional investors, while it faced a net outflow of 9.43 million from speculative funds [3] - The overall fund flow indicates a mixed sentiment among different investor categories within the professional services sector [3]