卫星导航指数盘中拉升，长江通信触及涨停

Group 1 - The satellite navigation index experienced a significant increase on December 31, with notable stock performances from various companies in the sector [1] - LeiKe Defense reached its daily limit increase, while Changjiang Communication also hit its daily limit [1] - Aerospace Huanyu saw a peak increase of 12%, China Satellite rose by 6%, and China Satcom increased by 5% [1]