Silver, copper, nickel prices up

Metals prices were mixed Wednesday. In precious metals, gold dropped 0.1 percent to $580.80 per troy ounce, but silver added 0.6 percent to $10.24 per troy ounce. Platinum and palladium were both down, with platinum dropping 0.5 percent to $1,190 per troy ounce and palladium falling 2.2 percent to $307 per troy ounce.

Among base metals, copper added 1.6 percent to $6,850 per tonne, while nickel was up 3.5 percent to $20,550 per tonne. Zinc held steady at $2,920 per tonne, and aluminium dropped 0.3 percent to $2,477.5 per tonne.