PPTA ▲ +2.9% - Perpetua Resources Corp. $PPTA NVA TMQ UAMY - China Mines 79% of World Tungsten. The U.S. Answer Needs Land Perpetua Resources rose 2.9% today as investors responded to renewed focus on critical mineral supply chains. The headline highlights China's dominant 79% share of global tungsten production and underscores the strategic importance of domestic mining projects like those Perpetua is developing, which could help reduce U.S. dependence on foreign sources for essential materials. 16-SEP-2026 09:19 AM ET