港股机器人概念股震荡走高，微创机器人涨近15%

Group 1 - The core viewpoint of the article highlights a significant increase in the stock prices of robotics concept stocks in the Hong Kong market on January 21, with notable gains for several companies [2] Group 2 - MicroPort Robotics (02252.HK) experienced a nearly 15% increase in stock price [2] - Woan Robotics (06600.HK) saw a rise of over 12% [2] - Yujian (02432.HK) reported an increase of over 8% [2] - Gaoweidian Electronics (01415.HK) and Huahong Semiconductor (01347.HK) both rose by over 5% [2]