特高压指数盘中走强，成分股多数上涨

Group 1 - The core index of ultra-high voltage stocks strengthened during the trading session on February 12, with most constituent stocks experiencing an increase [1] - Four-way shares led the gains with an increase of over 7%, while other notable stocks such as Jinpan Technology, Windfang Shares, Ankao Zhidian, and Zhiguang Electric also saw significant rises [1]