** Shares of Sam Altman-backed nuclear startup Oklo 
OKLO rise ~5% to $28.50 premarket
** Co says it is initiating a Pre-Application Readiness Assessment with U.S. Nuclear Regulatory Commission (NRC) for its Aurora Powerhouse reactors
** The assessment will begin in late March, and is designed to address the content of the first phase of Oklo’s combined license application submission (COLA) for the reactors
** “The readiness assessment allows NRC staff to review and familiarize themselves with Oklo’s licensing materials ahead of the full application review” – Oklo says
** As of last close, stock is up ~28% YTD