5月7日电，美股核电概念股普遍走高，Constellation Energy涨逾12%，OKLO涨超6%。据AXIOS报道，白宫计划签署行政令，以加快核反应堆部署。

Group 1 - The core viewpoint of the article highlights a significant rise in U.S. nuclear power stocks, with Constellation Energy increasing by over 12% and OKLO by more than 6% [1] - The White House is planning to sign an executive order aimed at accelerating the deployment of nuclear reactors [1]