Shares of United States Antimony (UAMY) and USA Rare Earth (USAR) saw gains of 8% and 3% respectively, with UAMY closing at $5.04 and USAR at $17.72. This occurred without a same-day catalyst, while the broader VanEck Rare Earth and Strategic Metals ETF (REMX) slipped 0.5%, indicating an isolated single-name bounce. Insider purchases by UAMY's CEO and a director were disclosed on August 28 and June 15, predating today's move. United States Antimony holds a $245 million sole-source contract with the U.S. Defense Logistics Agency, supplying military-specification antimony ingots.