火电指数盘中强势上涨3%，成分股表现活跃

Group 1 - The thermal power index experienced a strong increase of 3% during the trading session, indicating robust market activity in the sector [1] - Key constituent stocks showed significant performance, with YN Holdings reaching the daily limit up, and Jinko Power rising by 7.69% [1] - Other notable performers included Electric Power Investment Green Energy with a 7.02% increase, New Energy Taishan up by 5.99%, and Dongfang Electric rising by 5.84% [1]