New hold-up for Rio’s subsidiary Turquoise Hill at Oyu Tolgoi

Shares in Turquoise Hill Resources (TSE, NYSE:TRQ) showed little reaction to the company’s latest setback at its flagship Mongolian Oyu Tolgoi copper mine, when one of its two tailings thickeners experienced rake failure last Friday. Vancouver-based Turquoise Hill, controlled by Anglo-Australian...

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