The threat of tariffs on copper imports to the US has driven the difference between the CME copper contract price and the LME to record highs.

U.S. President Donald Trump hasn't yet imposed import tariffs on copper but the market is already pricing in the likelihood that the red metal will be next on the list after aluminium and steel.

Copper markets are on edge as traders anticipate potential U.S. import tariffs under President Donald Trumps administration. While no official tariff has been imposed, the price gap between the CME and London