医疗器械板块9月19日跌1.02%，福瑞股份领跌，主力资金净流出11.39亿元

Market Overview - The medical device sector experienced a decline of 1.02% on September 19, with Furuide 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] Top Performers - Micron Technology (300341) saw a closing price of 18.33, with a significant increase of 7.44% and a trading volume of 412,400 shares, amounting to 759 million yuan [1] - Wuzhou Medical (301234) closed at 47.99, up 4.64%, with a trading volume of 35,500 shares and a transaction value of 172 million yuan [1] Underperformers - Furuide (300049) reported a closing price of 80.70, down 5.94%, with a trading volume of 246,400 shares and a transaction value of 2.037 billion yuan [2] - Toukeng Life (300642) closed at 24.22, down 5.87%, with a trading volume of 143,900 shares and a transaction value of 353 million yuan [2] Capital Flow - The medical device sector experienced a net outflow of 1.139 billion yuan from institutional investors, while retail investors saw a net inflow of 981 million yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors are actively buying [2] Individual Stock Capital Flow - Mindray Medical (300760) had a net inflow of 98.79 million yuan from institutional investors, while retail investors experienced a net outflow of 9.333 million yuan [3] - ZhenDe Medical (603301) saw a net inflow of 84.19 million yuan from institutional investors, but both retail and speculative investors faced outflows [3]