Zheng Xing Xing Ye Ri Bao·2025-10-28 08:34Market Overview - On October 28, the medical device sector rose by 0.21%, led by Chutian Technology, while the Shanghai Composite Index closed at 3988.22, down 0.22%, and the Shenzhen Component Index closed at 13430.1, down 0.44% [1]. Top Performers - Chutian Technology (300358) closed at 11.32, with a significant increase of 20.04% and a trading volume of 842,800 shares, amounting to a transaction value of 924 million yuan [1]. - Libang Instruments (300206) saw a closing price of 13.97, up 15.45%, with a trading volume of 521,600 shares and a transaction value of 718 million yuan [1]. - Zhend Medical (603301) closed at 80.95, increasing by 10.00%, with a trading volume of 159,900 shares [1]. Underperformers - Sino Medical (688108) experienced a decline of 9.39%, closing at 25.19, with a trading volume of 415,300 shares and a transaction value of 1.084 billion yuan [2]. - Yingke Medical (300677) closed at 38.56, down 8.58%, with a trading volume of 333,700 shares [2]. - Nanwei Medical (688029) saw a decrease of 6.30%, closing at 81.52, with a trading volume of 56,100 shares [2]. Capital Flow - The medical device sector experienced a net outflow of 405 million yuan from institutional investors, while retail investors saw a net inflow of 417 million yuan [2][3]. - Chutian Technology had a net inflow of 162.16 million yuan from institutional investors, while retail investors had a net outflow of 64.44 million yuan [3]. - The overall capital flow indicates a mixed sentiment, with institutional investors pulling back while retail investors are actively buying [2][3].