Goldman raises gold and silver forecast on 'real concerns' about the dollar as the reserve currency

Gold bars sit in a vault at the Perth Mint Refinery, operated by Gold Corp, in Perth, Australia, on August 9, 2018.
Carla Gottgens | Bloomberg | Getty Images

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Despite the record rally in gold and silver this year, which has seen the former hit a new all-time high, Goldman Sachs believes prices will continue to rise as "real concerns" emerge around the longevity of the U.S. dollar as a reserve currency.