Metals prices are falling on worries that economic growth could slow because of Europe's debt problems.
Platinum for January delivery dropped $12.70 Wednesday, or nearly 1 percent, to settle at $1,558.30 an ounce.
December palladium fell $11.30, or nearly 2 percent, to close at $589.85 an ounce. Copper for December delivery fell 5.4 cents to close at $3.279 per pound.
Price for industrial metals are closely tied to economic growth. Metals like copper and palladium are used as raw materials to make everything from automobiles to home computers.
Worries about an economic slowdown grew Wednesday when an auction of German debt didn't draw enough bids to sell all of the 10-year notes being offered.
