专业服务板块8月29日跌0.54%，锋尚文化领跌，主力资金净流出4.35亿元

Market Overview - The professional services sector experienced a decline of 0.54% on August 29, with Fengshang Culture leading the drop [1] - The Shanghai Composite Index closed at 3857.93, up 0.37%, while the Shenzhen Component Index closed at 12696.15, up 0.99% [1] Stock Performance - Notable gainers in the professional services sector included: - Steel Research Nake (300797) with a closing price of 20.20, up 8.60% and a trading volume of 661,100 shares, totaling 1.341 billion yuan [1] - Zhonggang Tianyuan (002057) closed at 11.75, up 2.53% with a trading volume of 935,500 shares, totaling 1.104 billion yuan [1] - Major decliners included: - Fengshang Culture (300860) closed at 29.06, down 4.34% with a trading volume of 60,100 shares, totaling 177 million yuan [2] - Xince Standard (300938) closed at 24.78, down 4.18% with a trading volume of 101,400 shares, totaling 255 million yuan [2] Capital Flow - The professional services sector saw a net outflow of 435 million yuan from institutional investors, while retail investors contributed a net inflow of 308 million yuan [2] - The capital flow for specific stocks showed: - Lihua Kexin (002243) had a net inflow of 14.8246 million yuan from institutional investors, but a net outflow from retail investors of 14.4537 million yuan [3] - Jianyan Institute (603183) had a net inflow of 1.3253 million yuan from institutional investors and a net outflow of 243.05 thousand yuan from retail investors [3]