Zheng Xing Xing Ye Ri Bao·2026-01-29 09:03Group 1 - The medical device sector increased by 0.19% on January 29, with Sanyou Medical leading the gains [1] - The Shanghai Composite Index closed at 4157.98, up 0.16%, while the Shenzhen Component Index closed at 14300.08, down 0.3% [1] - Key stocks in the medical device sector showed varied performance, with Sanyou Medical rising by 5.12% to a closing price of 22.60 [1] Group 2 - Major stocks that declined included Daan Gene, which fell by 9.96% to a closing price of 6.87, and Cap Bio, down 9.88% to 7.94 [2] - The medical device sector experienced a net outflow of 376 million yuan from institutional investors, while retail investors saw a net inflow of 201 million yuan [2][3] - Notable net inflows from retail investors were observed in stocks like Lepu Medical, which had a net inflow of 42.29 million yuan [3]