Zheng Xing Xing Ye Ri Bao·2025-11-19 08:52Market Overview - The medical device sector experienced a decline of 1.06% on November 19, with Caina Co., Ltd. leading the losses [1] - The Shanghai Composite Index closed at 3946.74, up 0.18%, while the Shenzhen Component Index closed at 13080.09, unchanged [1] Top Gainers in Medical Device Sector - Zhonghong Medical (300981) saw a closing price of 15.09, with a gain of 10.39% and a trading volume of 285,000 shares, totaling a transaction value of 432 million yuan [1] - Dongfang Ocean (002086) closed at 2.98, up 9.96%, with a trading volume of 2.14 million shares and a transaction value of 620 million yuan [1] - Shuoshi Biology (688399) closed at 63.45, gaining 5.75% with a trading volume of 39,400 shares and a transaction value of 242 million yuan [1] Top Losers in Medical Device Sector - Caina Co., Ltd. (301122) closed at 27.54, down 5.88%, with a trading volume of 44,100 shares and a transaction value of 124 million yuan [2] - Tianyi Medical (301097) closed at 58.24, down 5.35%, with a trading volume of 17,500 shares and a transaction value of 102 million yuan [2] - Jimin Health (603222) closed at 10.22, down 4.58%, with a trading volume of 365,800 shares and a transaction value of 378 million yuan [2] Capital Flow Analysis - The medical device sector experienced a net outflow of 841 million yuan from institutional investors, while retail investors saw a net inflow of 875 million yuan [2][3] - The top net inflows from retail investors were observed in Dongfang Ocean (002086) with 2.37 million yuan, while Caina Co., Ltd. (301122) saw a net outflow of 12.38 million yuan from retail investors [3]