医疗器械板块1月5日涨5.5%，锦好医疗领涨，主力资金净流入16.78亿元

Group 1 - The medical device sector experienced a significant increase of 5.5% on January 5, with JinHao Medical leading the gains [1] - The Shanghai Composite Index closed at 4023.42, up 1.38%, while the Shenzhen Component Index closed at 13828.63, up 2.24% [1] - Notable individual stock performances included JinHao Medical with a closing price of 38.23, up 20.03%, and BoTuo Bio with a closing price of 45.34, also up 20.01% [1] Group 2 - The medical device sector saw a net inflow of 1.678 billion yuan from institutional investors, while retail investors experienced a net outflow of 644 million yuan [2] - The top individual stock in terms of net inflow was AiPeng Medical, with a net inflow of 1.57 million yuan, representing 25.59% of its trading volume [3] - Conversely, major outflows were observed in stocks like MaiRui Medical, which had a net outflow of 91.39 million yuan from retail investors, accounting for 2.74% of its trading volume [3]