More on Goldcorp's (GG) Q3 results: Says Pueblo Viejo in the Dominican Republic achieved first gold production during Q3; Cerro Negro in Argentina is advancing steadily toward production in late 2013. Confirms guidance for 2012 of 2.35M-2.45M oz. at total cash costs of $310-$340/oz. of gold on a by-product basis and $625-$650/oz. on a co-product basis. GG +3.9% premarket.