专业连锁板块1月13日跌2.48%，博士眼镜领跌，主力资金净流出3.7亿元

Core Viewpoint - The professional chain sector experienced a decline of 2.48% on January 13, with Dr. Glass leading the drop. The Shanghai Composite Index closed at 4138.76, down 0.64%, while the Shenzhen Component Index closed at 14169.4, down 1.37% [1]. Group 1: Market Performance - The professional chain sector saw a net outflow of 370 million yuan from main funds, while retail investors had a net inflow of 390 million yuan [1]. - The closing prices and changes for key stocks in the professional chain sector included: - Jifeng Technology: 8.23, +0.73% - Tianyin Holdings: 11.82, -0.67% - Aiyingshi: 17.45, -1.30% - Huazhi Wine: 17.56, -2.77% - Yanshidi: 13.46, -3.03% - Haiziwang: 11.32, -3.58% - Dr. Glass: 32.41, -4.42% [1]. Group 2: Fund Flow Analysis - The main fund flow for Dr. Glass showed a net outflow of 58.35 million yuan, with a net proportion of -9.85% [2]. - Other notable fund flows included: - Huazhi Wine: -14.53% net outflow from main funds - Jifeng Technology: -9.26% net outflow from main funds - Aiyingshi: -15.00% net outflow from main funds [2]. - Retail investors showed significant net inflows in several stocks, with Haiziwang attracting 206 million yuan, representing 16.89% of the total [2].