As gold prices have been soaring for some time now, experts feel the yellow metal will stay higher in comparison to the oil prices for a prolonged period. A recent report by natural resources investing company -- Goehring & Rozencwajg -- said that as central banks seem interested to continue their buying spree of physical gold, prices of the metal will continue to be overvalued. Both gold and silver exchange traded funds (ETFs) have entered a sustained period of accumulation. "As central banks now seek to accumulate physical gold alongside the ETFs, we believe gold could remain overvalued relative to oil for an ... (full story)