专业服务板块11月5日涨0.18%，电科院领涨，主力资金净流入5710.69万元

Market Overview - The professional services sector increased by 0.18% on November 5, with Electric Research Institute leading the gains [1] - The Shanghai Composite Index closed at 3969.25, up 0.23%, while the Shenzhen Component Index closed at 13223.56, up 0.37% [1] Top Gainers in Professional Services - Electric Research Institute (300215) closed at 6.51, up 3.99% with a trading volume of 299,300 shares and a turnover of 193 million [1] - Union Inspection Technology (301115) closed at 17.41, up 3.14% with a trading volume of 55,700 shares and a turnover of 96 million [1] - West High Institute (688334) closed at 21.17, up 2.72% with a trading volume of 87,300 shares and a turnover of 182 million [1] - Other notable gainers include Kai Pu Testing (003008), Ancar Testing (300572), and China Steel Tianyuan (002057) with respective increases of 2.65%, 2.52%, and 2.50% [1] Top Losers in Professional Services - Lansheng Co., Ltd. (600826) closed at 11.18, down 1.84% with a trading volume of 121,200 shares and a turnover of 135 million [2] - Huace Testing (300012) closed at 14.21, down 1.52% with a trading volume of 265,700 shares and a turnover of 378 million [2] - Anbang Guard (603373) closed at 46.92, down 1.39% with a trading volume of 5,340 shares and a turnover of 25 million [2] Capital Flow Analysis - The professional services sector saw a net inflow of 57.11 million from institutional investors, while retail investors experienced a net outflow of 34.30 million [2][3] - Major stocks with significant net inflows include China Steel Tianyuan (002057) with 24.29 million and Electric Research Institute (300215) with 21.12 million [3] - Conversely, stocks like Huace Testing (300012) and Union Inspection Technology (301115) faced net outflows from retail investors [3]