After nine months of intermittent production caused by illegal strikes and social unrest, Tongon gold mine achieved its revised production target of 230,000 ounces for 2018, down from 288,680 the previous year.
The lithium miner, the world’s second largest producer of the white metal, has approved additional measures to protect corporate data considered confidential from China'a Tianqi, which recently bought almost a quarter of the Chilean company.
Industry analysts recommend investors buy shares of companies building new U.S. copper mines, a marked change from just 12 months ago when most recommendations were to hold.