A股电网设备板块震荡走高，万胜智能20cm涨停，*ST惠程、长城电工此前封板，智洋创新、崧盛股份、红相股份、动力源、迦南智能、新雷能等跟涨。

Group 1 - The A-share power grid equipment sector is experiencing a significant upward trend, with Wan Sheng Intelligent hitting the daily limit of a 20% increase [1] - Other companies such as *ST Huicheng and Changcheng Electric have previously reached their daily limit, indicating strong market interest [1] - Additional companies including Zhiyang Innovation, Songsheng Co., Hongxiang Co., Power Source, Jianan Intelligent, and Xinle Energy are also seeing gains, reflecting a broader positive movement in the sector [1]