Canadian miner Goldcorp Inc. said late Tuesday it was lowering its 2012 production outlook because of setbacks at two of its mines. Goldcorp said it expects to produce 2.35 million to 2.45 million ounces of gold in 2012, down from its previous forecast of 2.6 million ounces. U.S.-traded shares of Goldcorp fell 4.3% to $35.16 on light volume in after-hours activity.

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