人形机器人概念股震荡走高，日发精机触及涨停

Group 1 - The humanoid robot concept stocks are experiencing significant fluctuations, with companies like Nippon Denso (日发精机) hitting the daily limit up [1] - Feirongda (飞荣达) and Zhaowei Electromechanical (兆威机电) have seen their stock prices increase by over 7% [1] - Other companies such as Huqin Technology (华勤技术), Shiyun Circuit (世运电路), and Noli Co., Ltd. (诺力股份) are also witnessing upward trends in their stock prices [1] Group 2 - There is a notable influx of dark pool funds into these stocks, indicating increased investor interest [1]