A股特高压概念股走强，神马电力、特变电工、保变电气涨停

Group 1 - The A-share market is seeing a strong performance in the ultra-high voltage concept stocks, with companies like Shenneng Electric, TBEA, and Baobian Electric hitting the daily limit up [1] - Yongfu Co. has increased by over 8%, while Jinguang Electric has risen by over 7% [1] - Other companies such as China XD Electric, Guodian Nanzi, Huaci Co., Shengye Electric, Jinbei Electric, and Pinggao Electric have all seen increases of over 5% [1]