Shares of precious metals mining companies were broadly lower during premarket trading in U.S. stocks, as prices for gold and silver fell for a second consecutive session.

Newmont Corporation declined 2.8%, Barrick Gold dropped 2.4%, Kinross Gold fell 2.9%, and New Gold was down 2.8%. Hecla Mining decreased 3.5%, Coeur Mining dropped 3.4%, and Endeavour Silver fell 3.5%. Pan American Silver declined 3.1%, and Silvercorp Metals was down 3.1%.

Among copper mining stocks: Freeport-McMoRan decreased 1.9%, and Teck Resources fell 4%.

Spot silver has declined 3.8% over the past two sessions, while gold has dropped 2.4%.