Rio Tinto’s Mongolian copper worries mount
By analyst By Frik Els Shares in Rio Tinto-controlled Turquoise Hill Resources opened 3% lower on Friday after the Mongolian government reinstated a decade-old agreement ordering the Vancouver-based company to source power for its Oyu Tolgoi mine domestically. Rio Tinto, down 1.8% in New York, could face higher costs on its $5.3 billion underground expansion […]
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