专业服务板块1月13日跌1.22%，谱尼测试领跌，主力资金净流出4.43亿元

Market Overview - The professional services sector experienced a decline of 1.22% on January 13, with Puni Testing leading the drop [1] - The Shanghai Composite Index closed at 4138.76, down 0.64%, while the Shenzhen Component Index closed at 14169.4, down 1.37% [1] Stock Performance - Notable gainers included: - Wai Fu Holdings (600662) with a closing price of 5.68, up 10.08% and a trading volume of 438,300 shares, totaling 243 million yuan [1] - Lihe Technology (002243) closed at 11.90, up 2.15% with a trading volume of 690,200 shares, totaling 825 million yuan [1] - Significant losers included: - Puni Testing (300887) closed at 13.89, down 10.90% with a trading volume of 642,600 shares, totaling 920 million yuan [2] - Shishi Testing (300416) closed at 19.76, down 7.75% with a trading volume of 644,100 shares, totaling 1.285 billion yuan [2] Capital Flow - The professional services sector saw a net outflow of 443 million yuan from institutional investors, while retail investors had a net inflow of 458 million yuan [2][3] - Specific stock capital flows indicated: - Wai Fu Holdings had a net inflow of 62.58 million yuan from institutional investors, while retail investors had a net outflow of 33.09 million yuan [3] - Lihe Technology experienced a net inflow of 14.54 million yuan from institutional investors, with a net outflow of 31.87 million yuan from retail investors [3]