The U.S. stock market opened with the Dow Jones Industrial Average down 0.19%, the S&P 500 Index down 0.43%, and the Nasdaq down 0.75%. Precious metal prices plunged during the day, and mining stocks generally opened lower. Pan American Silver (PAAS.O), Coeur Mining (CDE.N), Harmony Gold (HMY.N), and Newmont Mining (NEM.N) fell by approximately 5%.