UPDATE 1-Peruvian miner Buenaventura 2nd-qtr net sinks

(Reuters) - Net earnings fell to $14.5 million from $139.8 million a
year earlier.




"The unwinding of the 2007-2009 hedge book positions ...
had a one-time negative net effect of $64.7 million," Chief
Executive Roque Benavides said in a statement.


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