专业连锁板块9月18日跌1.05%，博士眼镜领跌，主力资金净流出1.85亿元

Core Viewpoint - The professional chain sector experienced a decline of 1.05% on September 18, with Dr. Glasses leading the drop. The Shanghai Composite Index closed at 3831.66, down 1.15%, while the Shenzhen Component Index closed at 13075.66, down 1.06% [1]. Summary by Category Market Performance - The professional chain sector saw a net outflow of 185 million yuan from main funds, while retail investors contributed a net inflow of 198 million yuan [1]. - The closing prices and performance of key stocks in the professional chain sector are as follows: - Jifeng Technology: 8.64, up 1.05%, volume 227,800, turnover 198 million yuan - Huazhi Wine: 22.14, up 0.45%, volume 172,700, turnover 381 million yuan - Yanshide: 11.86, unchanged, volume 251,100, turnover 29.867 million yuan - Aiyingshi: 18.57, down 1.49%, volume 40,100, turnover 7.488 million yuan - Tianyin Holdings: 9.71, down 1.82%, volume 217,400, turnover 213 million yuan - Haiziwang: 11.45, down 2.14%, volume 394,700, turnover 458 million yuan - Dr. Glasses: 33.71, down 3.41%, volume 172,300, turnover 588 million yuan [1].