Market Overview - The medical device sector experienced a decline of 0.74% on December 29, with Huakang Clean leading the drop [1] - The Shanghai Composite Index closed at 3965.28, up 0.04%, while the Shenzhen Component Index closed at 13537.1, down 0.49% [1] Top Performers - Meihao Medical (301363) saw a closing price of 25.04, with an increase of 8.30% and a trading volume of 197,100 shares, totaling a transaction value of 482 million yuan [1] - Mailande (688273) closed at 41.73, up 8.22%, with a trading volume of 55,200 shares and a transaction value of 227 million yuan [1] - Kangzhong Medical (688607) closed at 45.80, up 7.23%, with a trading volume of 40,200 shares and a transaction value of 180 million yuan [1] Underperformers - Huakang Clean (301235) closed at 39.21, down 8.54%, with a trading volume of 123,300 shares and a transaction value of 488 million yuan [2] - C Jianxin (688805) closed at 47.16, down 7.26%, with a trading volume of 89,000 shares and a transaction value of 426 million yuan [2] - Furuim Medical (300049) closed at 71.93, down 4.20%, with a trading volume of 66,800 shares and a transaction value of 485 million yuan [2] Capital Flow - The medical device sector saw a net outflow of 565 million yuan from institutional investors, while retail investors experienced a net inflow of 328 million yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors are more active [2] Individual Stock Capital Flow - Meihao Medical (301363) had a net outflow of 54.30 million yuan from institutional investors, with retail investors also showing a net outflow of 0.76 million yuan [3] - Jigaofazhan (600807) experienced a net inflow of 44.75 million yuan from institutional investors, while retail investors had a net outflow of 61.29 million yuan [3] - Kangzhong Medical (688626) saw a net inflow of 44.26 million yuan from institutional investors, with retail investors showing a slight net outflow [3]