President Donald Trump said Tuesday he’s imposing a new 50% tariff on all copper. However, it’s unclear when the new tariff would take effect.

Copper shipments into the United States are expected to accelerate in the coming weeks in a final scramble to get metal across the border before U.S. President Donald Trump's higher than expected 50% tariff on imported copper takes effect.

President Donald Trump last night announced a 50% tariff on copper imports, driving New York futures to a record high. Click to read.