Oklo Shares Surge 28% on Space Nuclear Initiative

Shares of Oklo Inc., a developer of advanced nuclear microreactors, surged more than 28 percent over the past week following a White House memorandum outlining a federal push to deploy nuclear power systems in space. The initiative, issued by the Office of Science and Technology Policy on April 14, establishes the National Initiative for American Space Nuclear Power and directs agencies including NASA and the Department of Defense to collaborate on deploying reactors in Earth orbit by 2028 and on the lunar surface by 2030.

Oklo's stock closed at $64.16 on Thursday, up 1.3 percent from the previous day, after reaching an intraday high of $68.76. Trading volume exceeded 18 million shares, a 75 percent increase over the average daily figure of about 10.4 million. The rally led gains across the nuclear sector, with shares of NuScale Power, Nano Nuclear Energy, and Centrus Energy also rising, as investors viewed the policy as a catalyst for demand in compact reactor technologies suitable for space and defense applications.

The memorandum builds on a December 2025 executive order aimed at expanding U.S. space capabilities, including a goal for a lunar surface reactor ready for launch...