医疗服务板块9月18日跌1.68%，南模生物领跌，主力资金净流出20.99亿元

Market Overview - On September 18, the medical services sector declined by 1.68%, with Nanmo Biology leading the drop [1] - The Shanghai Composite Index closed at 3831.66, down 1.15%, while the Shenzhen Component Index closed at 13075.66, down 1.06% [1] Stock Performance - Notable gainers included: - Zenggansi (301257) with a closing price of 53.80, up 6.89% [1] - Yangguang Nuohuo (688621) at 79.58, up 1.38% [1] - Kanglong Huacheng (300759) at 35.70, up 0.59% [1] - Major decliners included: - Nanmo Biology (688265) at 56.16, down 5.93% [2] - Chuangxin Medical (002173) at 23.48, down 4.75% [2] - Hongbo Pharmaceutical (301230) at 36.12, down 4.06% [2] Capital Flow - The medical services sector experienced a net outflow of 2.099 billion yuan from institutional investors, while retail investors saw a net inflow of 1.474 billion yuan [2] - The sector's overall capital flow indicates a mixed sentiment among different investor types [2] Individual Stock Capital Flow - Notable capital flows included: - Huada Gene (300676) with a net inflow of 63.2761 million yuan from institutional investors [3] - Baicheng Pharmaceutical (301096) with a net inflow of 21.5534 million yuan from institutional investors [3] - Nanmo Biology (688265) saw a net outflow of 1.597 million yuan from institutional investors [3]