X-Energy is trading 10.14% up at $20.98 after announcing a definitive agreement with Centrus on August 6, 2026, for LEU and HALEU enrichment services. - The deal is intended to secure fuel for initial Xe-100 deployments, de-risk part of X-Energy’s 11.5 GW commercial pipeline, and support TRISO-X fuel fabrication. - Trading is active during open market session; no reliable volume figure provided. Gains were 2.58% on August 5 and 6.79% on August 4; X-Energy’s catalyst outweighs broader energy-sector weakness.