Add Yahoo as a preferred source to see more of our stories on Google. FILE PHOTO: An employee shows a 1 gram piece of a gold Combibar at a plant of gold refiner and bar manufacturer Valcambi SA in the ...
LONDON (Reuters) - Swiss gold refiner Valcambi has lost a contract to refine around 4 million ounces of gold a year from Newmont Mining Corp, one of the world's biggest producers, five sources ...
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