专业服务板块11月17日跌0.02%，兰生股份领跌，主力资金净流出527.11万元

Market Overview - On November 17, the professional services sector experienced a slight decline of 0.02% compared to the previous trading day, with Lan Sheng Co., Ltd. leading the decline [1] - The Shanghai Composite Index closed at 3972.03, down 0.46%, while the Shenzhen Component Index closed at 13202.0, down 0.11% [1] Stock Performance - Notable gainers in the professional services sector included: - Shijian Testing (301228) with a closing price of 38.57, up 12.78% and a trading volume of 124,700 shares, totaling 476 million yuan [1] - Lansiqimi (300795) with a closing price of 14.60, up 3.55% and a trading volume of 97,800 shares, totaling 144 million yuan [1] - Xince Standard (300938) with a closing price of 31.65, up 1.80% and a trading volume of 123,000 shares, totaling 389 million yuan [1] - Conversely, the following stocks saw declines: - Lan Sheng Co., Ltd. (600826) closed at 11.16, down 3.04% with a trading volume of 88,100 shares, totaling 98.99 million yuan [2] - Lihe Kechuang (002243) closed at 8.94, down 2.40% with a trading volume of 176,000 shares, totaling 158 million yuan [2] - Guoyi Indicators (920039) closed at 13.11, down 1.50% with a trading volume of 18,900 shares, totaling 24.93 million yuan [2] Capital Flow - The professional services sector saw a net outflow of 5.27 million yuan from institutional investors, while retail investors experienced a net outflow of 10.20 million yuan [2] - Conversely, speculative funds recorded a net inflow of 15.47 million yuan [2] Individual Stock Capital Flow - Xince Standard (300938) had a net outflow of 31.95 million yuan from institutional investors, while it saw a net inflow of 16.12 million yuan from speculative funds and a net outflow of 48.07 million yuan from retail investors [3] - Huace Testing (300012) experienced a net inflow of 25.40 million yuan from institutional investors, with a net outflow of 10.04 million yuan from speculative funds and a net outflow of 15.37 million yuan from retail investors [3] - Shijian Testing (301228) had a net inflow of 21.87 million yuan from institutional investors, with a net outflow of 19.71 million yuan from speculative funds and a net outflow of 2.16 million yuan from retail investors [3]