Get ready for tariffs to set off another roller coaster ride in metal markets, Goldman says

David McNew/Getty ImagesGoldman Sachs warns tariff uncertainty will set off another bout of volatility in metal markets.Metal stockpiling has tightened global liquidity and raised the risk of price swings.Copper's role in AI infrastructure may lead to another roller coaster for the industrial metal. Metal markets have been volatile during this year's commodities shocks, but Goldman Sachs says the roller coaster ride isn't over. Daan Struyven, the bank's co-head of global commodities research, sa