Zheng Xing Xing Ye Ri Bao·2025-10-31 08:42Core Insights - The medical device sector experienced a rise of 1.13% on October 31, with Caina Co., Ltd. leading the gains [1] - The Shanghai Composite Index closed at 3954.79, down 0.81%, while the Shenzhen Component Index closed at 13378.21, down 1.14% [1] Medical Device Sector Performance - Caina Co., Ltd. (301122) saw a closing price of 30.38, with a significant increase of 19.98% and a trading volume of 91,000 shares, amounting to a transaction value of 259 million [1] - Spring Medical (688236) closed at 28.88, up 14.47%, with a trading volume of 84,200 shares and a transaction value of 235 million [1] - ZhenDe Medical (603301) closed at 95.00, increasing by 9.07% with a trading volume of 211,900 shares, resulting in a transaction value of 1.951 billion [1] - Other notable performers included TuoJing Life (300642) with an 8.81% increase, and Rejing Bio (688068) with an 8.70% increase [1] Capital Flow Analysis - The medical device sector saw a net inflow of 475 million from institutional investors, while retail investors experienced a net outflow of 108 million [2][3] - Major stocks like Mindray Medical (300760) had a net inflow of 262 million from institutional investors, but a net outflow of 1.27 billion from retail investors [3] - Other stocks such as Furuishi (300049) and Lepu Medical (300003) also showed significant net inflows from institutional investors, indicating strong institutional interest [3]