Rio writes off more than $400M on New Zealand smelter

Jun 17, 2013 | 06:56 PM |

Tags  Rio Tinto, Tiwai Point, New Zealand Aluminium Smelters, aluminum, Sumitomo Chemical Co.

LONDON — Rio Tinto Plc has written off nearly half a billion dollars from the value of its Tiwai Point aluminum smelter in New Zealand, according to its....

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