Zheng Xing Xing Ye Ri Bao·2025-11-18 08:11Market Overview - On November 18, the professional services sector declined by 0.44% compared to the previous trading day, with Zhongfangbiao leading the decline [1] - The Shanghai Composite Index closed at 3939.81, down 0.81%, while the Shenzhen Component Index closed at 13080.49, down 0.92% [1] Stock Performance - Notable gainers in the professional services sector included: - N Beikang (code: 920160) with a closing price of 26.50, up 295.52% and a trading volume of 225,500 shares, totaling 660 million yuan [1] - Shibu Testing (code: 301228) with a closing price of 42.20, up 9.41% and a trading volume of 125,300 shares, totaling 511 million yuan [1] - Ruijian Jumi (code: 300795) with a closing price of 15.18, up 3.97% and a trading volume of 143,400 shares, totaling 215 million yuan [1] - Major decliners included: - Zhongfangbiao (code: 920122) with a closing price of 40.59, down 4.09% and a trading volume of 12,900 shares, totaling 53.49 million yuan [2] - Zhonggang Tianyuan (code: 002057) with a closing price of 10.61, down 3.55% and a trading volume of 242,800 shares, totaling 260 million yuan [2] - Guangdong Jianke (code: 301632) with a closing price of 26.52, down 3.35% and a trading volume of 43,900 shares, totaling 118 million yuan [2] Capital Flow - The professional services sector experienced a net outflow of 128 million yuan from institutional investors, while retail investors saw a net inflow of 60.56 million yuan [2][3] - Key stocks with significant capital flow included: - Shibu Testing (code: 301228) with a net inflow of 44.94 million yuan from institutional investors [3] - Xin Ce Biao (code: 300938) with a net inflow of 31.01 million yuan from institutional investors [3] - Mi Ao Exhibition (code: 300795) with a net inflow of 7.84 million yuan from institutional investors [3]