Key Takeaways Energy Fuels stock jumped 8% in a week, riding on the breakthrough in dysprosium. UUUU produced 99.9% pure dysprosium oxide at White Mesa and passed QC by a major magnet maker. Energy Fuels plans to scale terbium and samarium output by 2026, strengthening rare earth supply chains. Energy Fuels Inc. (UUUU)  have jumped 8% over the past week, since it announced that the 99.9% purity dysprosium oxide produced at its White Mesa Mill has passed the stringent QC (Quality Check) requirements of a maj ...