Chile produced 513,344 tonnes of copper in December, a 1.8 percent slip from a year earlier, but boosted its output of the red metal by 3 percent to 5.455 million tonnes during all of 2012, the government said on Wednesday.展开全文 原微博
Copper hit the lowest in more than a month on Monday after a bigger than expected fall in Japan's exports, reflecting the global economic slowdown and curbing investors' appetite for assets perceived as risky.展开全文 原微博
