$OKLO | B.Riley 𝐫𝐞𝐢𝐭𝐞𝐫𝐚𝐭𝐞𝐬 𝐁𝐮𝐲 on 𝐎𝐤𝐥𝐨, maintains 𝐏𝐓 𝐚𝐭 $𝟗𝟐, 'Takes Another Step Toward Criticality Milestone for Isotopes Reactor' Analyst sees the DOE's safety analysis approval for the Groves reactor as a key milestone, paving the way for targeted first criticality this month.