Silver prices settled down 23 cents to $18.31 while copper closed 2 cents lower to $3.04. Gold mining stocks, a more risky and more profitable way to invest in gold, were higher. Barrick Gold ( ABX) was rising 1.24% to $43.12 while Newmont Mining ( NEM) was adding more than 1.50% to $55.50. Other large gold miners AngloGold Ashanti ( AU) and Goldcorp ( GG) were trading higher at $42.80 and $44.18, respectively. Shares of Freeport McMoran Copper & Gold ( FCX) were rallying 3.81% to $69.02 while Yamana Gold ( AUY) was trading more than 2% higher at $10.90. Shares of the gold exchange-traded fund, SPDR Gold Shares ( GLD), were slipping 0.22% to $119.65.