HYMC ▼ -0.4% - Hycroft Mining Holding Corporation $HYMC HYMC - Vortex and Brimstone Continue to Expand With Higher Grades Hycroft Mining shares declined 0.4% today despite the company announcing that its Vortex and Brimstone zones continue to expand with higher grades, suggesting ongoing exploration success at its operations. 09-SEP-2026 04:30 PM ET