医疗器械板块8月12日涨1.16%，麦澜德领涨，主力资金净流出7.3亿元

Market Overview - The medical device sector rose by 1.16% on August 12, with Mai Lande leading the gains [1] - The Shanghai Composite Index closed at 3665.92, up 0.5%, while the Shenzhen Component Index closed at 11351.63, up 0.53% [1] Top Gainers in Medical Device Sector - Mai Lande (688273) closed at 52.83, up 18.06%, with a trading volume of 150,500 shares and a transaction value of 771 million [1] - Sanxin Medical (300453) closed at 10.75, up 14.24%, with a trading volume of 810,000 shares [1] - Xiangyu Medical (688626) closed at 64.40, up 11.02%, with a trading volume of 102,800 shares [1] - Maipu Medical (301033) closed at 88.80, up 10.38%, with a trading volume of 24,000 shares [1] - Ruimaite (301367) closed at 97.77, up 6.63%, with a trading volume of 33,200 shares [1] Decliners in Medical Device Sector - Kehua Bio (002022) closed at 7.58, down 3.44%, with a trading volume of 417,400 shares [2] - Yirui Bio (300942) closed at 12.91, down 2.93%, with a trading volume of 104,400 shares [2] - Rendu Bio (688193) closed at 51.64, down 2.68%, with a trading volume of 8,204 shares [2] Capital Flow Analysis - The medical device sector experienced a net outflow of 730 million from institutional investors, while retail investors saw a net inflow of 112 million [2] - The top stocks with significant net inflows from retail investors include Yirui Medical and Mai Lande, while major outflows were observed in stocks like Aiyu Technology and Meihua Medical [3]