PPTA ▲ +2.6% - Perpetua Resources Corp. $PPTA NVA TMQ UAMY - China Mines 79% of World Tungsten. The U.S. Answer Needs Land Perpetua Resources shares rose 2.6% as investors responded to discussion of U.S. tungsten supply challenges and China's dominance in global tungsten mining. The company's Idaho-based Stibnite gold-antimony-silver project sits on mineral resources that could address domestic supply gaps for critical minerals amid geopolitical concerns about reliance on Chinese production. 16-SEP-2026 09:15 AM ET