专业服务板块8月19日涨0.27%，广东建科领涨，主力资金净流入2.5亿元

Core Viewpoint - The professional services sector experienced a slight increase of 0.27% on August 19, with Guangdong Jianke leading the gains, while the overall market indices showed minor declines [1] Group 1: Market Performance - The Shanghai Composite Index closed at 3727.29, down 0.02% [1] - The Shenzhen Component Index closed at 11821.63, down 0.12% [1] Group 2: Individual Stock Performance - Guangdong Jianke (301632) closed at 44.36, up 19.99% with a trading volume of 458,500 shares and a transaction value of 1.903 billion yuan [1] - Lingdian Youshu (301169) closed at 48.16, up 3.21% with a trading volume of 31,500 shares and a transaction value of 151 million yuan [1] - Jianyan Institute (603183) closed at 4.58, up 3.15% with a trading volume of 151,000 shares and a transaction value of 6.83084 million yuan [1] - Anbang Guard (603373) closed at 56.03, up 2.08% with a trading volume of 37,500 shares and a transaction value of 207 million yuan [1] - Zhongjin Fuzhao (300962) closed at 18.34, up 1.78% with a trading volume of 82,700 shares and a transaction value of 151 million yuan [1] - Zhonggang Tianyuan (002057) closed at 10.47, up 1.75% with a trading volume of 460,100 shares and a transaction value of 478 million yuan [1] - Kaipu Testing (300008) closed at 23.01, up 1.50% with a trading volume of 20,500 shares and a transaction value of 4.67427 million yuan [1] - Anche Testing (300572) closed at 26.25, up 1.12% with a trading volume of 159,800 shares and a transaction value of 417 million yuan [1] - Miao Conference (300795) closed at 15.49, up 0.58% with a trading volume of 31,100 shares and a transaction value of 4.80736 million yuan [1] - Yuanjian Group (603060) closed at 7.17, up 0.56% with a trading volume of 69,100 shares and a transaction value of 4.92956 million yuan [1] Group 3: Capital Flow - The professional services sector saw a net inflow of 250 million yuan from institutional investors, while retail investors experienced a net inflow of 42.7344 million yuan [1] - However, there was a net outflow of 293 million yuan from speculative funds [1]