专业连锁板块1月16日跌1.46%，博士眼镜领跌，主力资金净流出8409.32万元

Market Overview - The professional chain sector experienced a decline of 1.46% on January 16, with Doctor Glasses leading the drop [1] - The Shanghai Composite Index closed at 4101.91, down 0.26%, while the Shenzhen Component Index closed at 14281.08, down 0.18% [1] Individual Stock Performance - Ji Feng Technology (300022) rose by 3.21% to close at 8.67, with a trading volume of 298,500 shares and a turnover of 256 million [1] - Ai Ying Shi (603214) increased by 0.34% to 17.95, with a trading volume of 62,800 shares and a turnover of 112 million [1] - Yuan Shi De (002416) fell by 1.18% to 13.36, with a trading volume of 267,900 shares and a turnover of 358 million [1] - Hai Zi Wang (301078) decreased by 1.65% to 11.32, with a trading volume of 640,100 shares and a turnover of 722 million [1] - Hua Zhi Jiu Hang (300755) dropped by 1.79% to 17.00, with a trading volume of 48,100 shares and a turnover of 82.1 million [1] - Tian Yin Holdings (000829) fell by 2.04% to 10.58, with a trading volume of 440,600 shares and a turnover of 466 million [1] - Doctor Glasses (300622) declined by 4.52% to 34.26, with a trading volume of 262,900 shares and a turnover of 911 million [1] Capital Flow Analysis - The professional chain sector saw a net outflow of 84.09 million from institutional investors, while retail investors had a net inflow of 63.08 million [1] - The table indicates that Ji Feng Technology had a net inflow of 33.16 million from institutional investors, while retail investors had a net outflow of 25.34 million [2] - Doctor Glasses experienced a significant net outflow of 107 million from institutional investors, with a net inflow of 96.43 million from retail investors [2]