SSMR ▲ +2.8% - Sunshine Silver Mining & Refining Company $SSMR - Sunshine Silver Mining & Refining Expands Silver Valley Land Position by 60% to Approximately 38,000 Acres and Initiates Multi-Year, 45,000-Meter District-Scale Exploration Program Sunshine Silver Mining & Refining announced a 60% expansion of its Silver Valley land position to roughly 38,000 acres and launched a multi-year exploration program totaling 45,000 meters, driving investor optimism about its growth prospects in the region. The stock rose 2.8% on the news of the enlarged exploration footprint. 21-SEP-2026 06:30 AM ET