HOB BIOTECH(SH:688656) Zheng Xing Xing Ye Ri Bao·2025-08-22 08:39Core Insights - The medical device sector experienced a rise of 2.13% on August 22, with Haooubo leading the gains [1] - The Shanghai Composite Index closed at 3825.76, up 1.45%, while the Shenzhen Component Index closed at 12166.06, up 2.07% [1] Medical Device Sector Performance - Haooubo (688656) closed at 137.80, with a gain of 9.70% and a trading volume of 44,000 hands, amounting to a transaction value of 596 million yuan [1] - Zhijiang Biology (688317) closed at 26.80, up 8.63%, with a trading volume of 127,200 hands and a transaction value of 340 million yuan [1] - Toukeng Life (300642) closed at 25.97, increasing by 7.67%, with a trading volume of 263,300 hands and a transaction value of 661 million yuan [1] - Other notable performers include Huada Zhizao (688114) with a 6.61% increase and a closing price of 74.63, and Zaiwei Medical (300314) with a 5.38% increase and a closing price of 15.47 [1] Capital Flow Analysis - The medical device sector saw a net outflow of 1.461 billion yuan from institutional investors, while retail investors contributed a net inflow of 1.315 billion yuan [2] - The overall capital flow indicates a mixed sentiment, with institutional investors withdrawing funds while retail investors increased their positions [2] Individual Stock Capital Flow - Huada Zhizao (688114) experienced a net outflow of 59.09 million yuan from institutional investors, while retail investors had a net outflow of 1.44 million yuan [3] - Toukeng Life (300642) saw a net inflow of 57.29 million yuan from institutional investors, but a net outflow of 21.56 million yuan from retail investors [3] - Other stocks like Mai Rui Medical (300760) and Huatai Medical (688617) also showed varying capital flows, indicating differing investor sentiments across the sector [3]