Goldcorp posts $1.9-billion loss due to writedown Goldcorp Inc. says its has written down the value of its Penasquilo mining operation in Mexico, resulting in a $1.93-billion (U.S.) loss in the second quarter. The Vancouver-based mining company, one of the world's largest gold producers, also reported its adjusted earnings for the second quarter were about half what they were last year, dropping to $117-million from $332-million. More coming