U.S. net copper imports could rise by 50% to 100% in the coming months due to higher U.S. prices before the Trump administration's planned tariffs, Goldman Sachs said in a note on Tuesday.

Benchmark copper (HG1:COM) on the London Metal Exchange recently traded +1.1% to $9,786.60/metric ton on Wednesday, extending its rally since President Trump ordered an investigation into U.S. copper imports,

Copper prices jumped by more than 5% in New York — leaping further above other global benchmarks — as US President Donald Trump suggested imports of the metal could be subject to a 25% tariff.