Zheng Xing Xing Ye Ri Bao·2025-12-30 09:00Market Overview - The medical device sector experienced a decline of 0.9% on December 30, with C Jianxin leading the drop [1] - The Shanghai Composite Index closed at 3965.12, down 0.0%, while the Shenzhen Component Index closed at 13604.07, up 0.49% [1] Stock Performance - Notable gainers in the medical device sector included: - Jianerkang (603205) with a closing price of 29.24, up 3.54% [1] - Yuyao Medical (002223) with a closing price of 38.21, up 2.99% [1] - Tianzhihang (688277) with a closing price of 15.30, up 2.62% [1] - Major decliners included: - C Jianxin (688805) with a closing price of 43.10, down 8.61% [2] - Haooubo (688656) with a closing price of 167.23, down 7.66% [2] - Tianchen Medical (688013) with a closing price of 48.91, down 6.86% [2] Capital Flow - The medical device sector saw a net outflow of 516 million yuan from institutional investors, while retail investors contributed a net inflow of 362 million yuan [2][3] - The top stocks by net inflow from institutional investors included: - Yuyue Medical (002223) with a net inflow of 38.55 million yuan [3] - Meihua Medical (301363) with a net inflow of 35.73 million yuan [3] - Maillande (688273) with a net inflow of 33.48 million yuan [3]