Silver prices added 72 cents to $29.99 as the poorer cousin of the yellow metal reached a 30-year high. Copper stayed at $4. Gold mining stocks, a risky but potentially profitable way to buy gold, were trading in positive territory. Goldcorp ( GG) was rising by 1.7% to $47.85 while Kinross Gold ( KGC) increased 2% to $19.12. Yamana Gold ( AUY) was tacking on 1.2% to $12.68 as Agnico-Eagle Mines ( AEM) added 2.3% to $86.97.
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