Zheng Xing Xing Ye Ri Bao·2026-02-04 08:56Market Overview - The medical device sector increased by 0.9% on February 4, with SAIKOSHI leading the gains [1] - The Shanghai Composite Index closed at 4102.2, up 0.85%, while the Shenzhen Component Index closed at 14156.27, up 0.21% [1] Top Performers - SAIKOSHI (688338) closed at 32.11, up 10.15% with a trading volume of 63,600 shares and a transaction value of 197 million [1] - SHUOSHI BIO (6638889) closed at 71.46, up 5.69% with a trading volume of 15,900 shares and a transaction value of 113 million [1] - BAOLAIT (300246) closed at 13.51, up 2.74% with a trading volume of 166,100 shares and a transaction value of 224 million [1] Underperformers - KANGZHONG MEDICAL (688607) closed at 57.80, down 4.26% with a trading volume of 46,300 shares [2] - SINO MEDICAL (688108) closed at 22.70, down 3.77% with a trading volume of 170,600 shares and a transaction value of 387 million [2] - SANYOU MEDICAL (688085) closed at 21.05, down 3.08% with a trading volume of 39,800 shares and a transaction value of 84 million [2] Capital Flow - The medical device sector experienced a net outflow of 132 million from institutional investors, while retail investors saw a net outflow of 191 million [2] - Speculative funds had a net inflow of 323 million into the sector [2] Individual Stock Capital Flow - MAIRUI MEDICAL (300760) had a net inflow of 86.91 million from institutional investors, while retail investors had a net outflow of 169 million [3] - LIANSHENG MEDICAL (688271) saw a net inflow of 44.32 million from institutional investors, with a net outflow of 76.86 million from retail investors [3] - HUAKANG CLEAN (301235) had a net inflow of 31.25 million from institutional investors, while retail investors experienced a net outflow of 52.92 million [3]