Coeur Mining is trading at $18.05 (-6.06%) amid a sharp precious-metals selloff. - Reuters reported gold down 2.7% and silver down 4.3% on September 28, as rising oil prices and inflation concerns boosted expectations of further Federal Reserve rate hikes. - Higher yields and renewed geopolitical uncertainty are pressuring metals and materials stocks; the broader sector is down, with no clear company-specific announcement. - The latest updates were an exploration update and a scheduled September 29 conference presentation, not a clear catalyst.