Core Viewpoint - The professional services sector experienced a rise of 1.14% on December 1, with notable gains from companies like Shibai Testing, which led the sector's performance [1]. Group 1: Market Performance - The Shanghai Composite Index closed at 3914.01, up 0.65%, while the Shenzhen Component Index closed at 13146.72, up 1.25% [1]. - The professional services sector saw significant individual stock movements, with Shibai Testing (301228) closing at 46.09, up 9.35%, and Electric Science Institute (300215) closing at 7.93, up 6.87% [1]. Group 2: Stock Performance Details - The following stocks showed notable increases: - Shibai Testing (301228): 46.09, +9.35%, volume 86,100, turnover 387 million [1] - Electric Science Institute (300215): 7.93, +6.87%, volume 776,900, turnover 597.1 million [1] - Beikang Testing (920160): 26.10, +6.84%, volume 57,800, turnover 149 million [1] - Other stocks with positive performance included: - Fengshang Culture (300860): 28.60, +4.11% [1] - Lingdian Youshu (301169): 45.49, +4.10% [1] Group 3: Capital Flow Analysis - The professional services sector saw a net inflow of 72.05 million from institutional investors, while retail investors experienced a net outflow of 85.50 million [2]. - Key stocks with significant capital inflows included: - Xince Standard (300938): 56.97 million net inflow from institutional investors [3] - Electric Science Institute (300215): 28.80 million net inflow from institutional investors [3] - Su Shi Testing (300416): 20.50 million net inflow from institutional investors [3]