Thousands of mine workers at the Indonesian unit of Freeport-McMoRan Inc will extend their strike for another month to protest against layoffs, a union official said on Wednesday.
Although Chile has always been noted for its abundant mineral wealth, the country was actually not a notable copper producer even at the beginning of the 20th century.
More supply will likely drag prices lower, as the metal already touched a one-year low of $8,680 per tonne on the London Metal Exchange last week and is down more than 10% this year.