USA Rare Earth shares surge 20.76% intraday after LCM subsidiary secures rare earth supply chain partnership with Arnold Magnetic Technologies.

USA Rare Earth surged 20.76% intraday following its announcement that subsidiary Less Common Metals (LCM) signed a supply agreement with Arnold Magnetic Technologies and Solvay to provide ex-China rare earth materials for advanced magnet production. The partnership strengthens U.S. and European supply chain resilience and aligns with LCM’s role as a key supplier for USA Rare Earth’s Stillwater, Oklahoma magnet plant, set to commission in Q1 2026. The deal underscores the company’s strategic position in securing critical materials for defense, aerospace, and energy sectors, bolstering investor confidence in its domestic rare earth production capabilities and long-term growth prospects.