特高压指数盘中拉升，国网英大涨停

Group 1 - The core point of the article highlights a significant increase in the ultra-high voltage index, which rose by 2.01% during the trading session [1] - Several constituent stocks performed exceptionally well, with notable gains including State Grid Yingda reaching a daily limit increase, Changgao Electric New rising by 9.16%, Jinpan Technology increasing by 6.63%, Sifang Co., Ltd. up by 6.57%, and China XD Electric rising by 6.07% [1]