医疗服务板块9月19日跌0.8%，药石科技领跌，主力资金净流出17.77亿元

Market Overview - On September 19, the medical services sector declined by 0.8%, with Yaoshi Technology leading the drop [1] - The Shanghai Composite Index closed at 3820.09, down 0.3%, while the Shenzhen Component Index closed at 13070.86, down 0.04% [1] Stock Performance - Key stocks in the medical services sector experienced significant declines, with Yaoshi Technology falling by 4.79% to a closing price of 41.56 [1] - Other notable declines included Zenggansi (-4.72%), Meidixi (-4.47%), and Zhaoyan New Drug (-4.43%) [1] - The trading volume for Yaoshi Technology was 163,500 shares, with a transaction value of 6.91 billion yuan [1] Capital Flow - The medical services sector saw a net outflow of 1.777 billion yuan from institutional investors, while retail investors contributed a net inflow of 1.592 billion yuan [3] - Notable stocks with significant capital flow included Yingkang Life, which had a net inflow of 24.85 million yuan from institutional investors [3] - New Mileage experienced a net inflow of 16.46 million yuan from retail investors, despite a net outflow from institutional and speculative investors [3]