Analysis: Chile's big copper producers cheer price spike; wary of costs
5 Min Read SANTIAGO (Reuters) - Mining firms in Chile, the world’s No.1 copper producer, are cheering a rally in the price of the red metal that hit a 10-year high this week, but warned that costs could rise as labor unions and vendors also try to cash in on the trend. FILE PHOTO: A worker monitors a process at the Codelco Ventanas copper smelter in Ventanas, Chile, January 7, 2015. REUTERS/Rodrigo Garrido/File Photo/File Photo Benchmark copper on the London Metal Exchange climbed this week above $9,000 a tonne for the first time since 2011. Analysts said they were bullish that surging dema...