But copper production at Los Bronces decreased by 19%.
Newspaper advert invites potential purchasers.
Escondida negotiations are being keenly watched by producers and investors alike.
China produces more metal locally from foreign ore supplies.
Resource counters look broadly supported.
After protesters seized installations at the mine earlier in the day.
After shaking up iron ore, steel and coal futures this year, Chinese investors have taken on copper.
Prices in London set for biggest weekly gain since 1986.
BHP Billiton expects copper demand to rise as EV use expands.
Some analysts still see value at the current price.
Problems in South East Asia tipping the market into deficit.
CEO says company culture has put it in a great position to enjoy the upside of the commodity price
Andalusia woos investors to come and mine.