美股太空概念股走高，DXYZ、回声星通信涨近4%

Group 1 - The core viewpoint of the article highlights the rise in U.S. space concept stocks, indicating a positive trend in the sector [1] Group 2 - DXYZ and EchoStar Communications saw an increase of nearly 4% [1] - Rocket Lab experienced a rise of nearly 2% [1]