医疗服务板块1月20日跌1.5%，美迪西领跌，主力资金净流出10.68亿元

Core Viewpoint - The medical services sector experienced a decline of 1.5% on January 20, with Meidisi leading the drop. The Shanghai Composite Index closed at 4113.65, down 0.01%, while the Shenzhen Component Index closed at 14155.63, down 0.97% [1]. Group 1: Stock Performance - The top gainers in the medical services sector included *ST Shengwu, which rose by 4.82% to close at 9.36, and Wo Men Fei Yu, which increased by 3.73% to 39.18 [1]. - Meidisi led the decliners, falling by 5.01% to a closing price of 63.18, followed by Bidai Pharmaceutical, which dropped 4.19% to 66.59 [2]. - The overall trading volume in the medical services sector showed significant activity, with Meidisi recording a transaction amount of 375 million [2]. Group 2: Capital Flow - The medical services sector saw a net outflow of 1.068 billion from institutional investors, while retail investors contributed a net inflow of 903 million [2]. - Notable stocks with significant capital inflow included Meidian Health, which had a net inflow of 40.6557 million from retail investors, despite a net outflow from institutional investors [3]. - The capital flow data indicates a mixed sentiment among different investor types, with institutional investors withdrawing funds while retail investors increased their positions [2][3].