Market Overview - The professional services sector experienced a decline of 0.59% on December 2, with Zhongjin Radiation leading the drop [1] - The Shanghai Composite Index closed at 3897.71, down 0.42%, while the Shenzhen Component Index closed at 13056.7, down 0.68% [1] Stock Performance - Notable gainers in the professional services sector included: - Xince Standard (300938) with a closing price of 35.45, up 3.20% and a trading volume of 124,200 shares, totaling 430 million yuan [1] - Lansiqimi (300795) closed at 15.90, up 2.19% with a trading volume of 112,800 shares, totaling 178 million yuan [1] - Conversely, significant decliners included: - Zhongquanfuzhao (300962) with a closing price of 17.99, down 4.56% and a trading volume of 107,800 shares, totaling 25.66 million yuan [2] - Anbang Guard (603373) closed at 41.24, down 2.80% with a trading volume of 6,815 shares, totaling 28.42 million yuan [2] Capital Flow - The professional services sector saw a net outflow of 132 million yuan from institutional investors, while retail investors experienced a net inflow of 89.54 million yuan [2] - The detailed capital flow for selected stocks showed: - Xince Standard (300938) had a net inflow of 30.20 million yuan from institutional investors, while retail investors had a net outflow of 16.85 million yuan [3] - Huace Testing (300012) recorded a net inflow of 6.18 million yuan from institutional investors, with a net outflow of 7.52 million yuan from retail investors [3]