Trump’s tariffs hand surprise win to London Metal Exchange over New York rival
Copper trading has shifted from Comex as uncertainty persists over US president’s trade policy
Copper trading has shifted from Comex as uncertainty persists over US president’s trade policy

Washington follows through with plans to impose 50% levies on some products

Market hit by disruption to production and Donald Trump’s tariffs

Production hold-ups at large mines and fears about Trump tariffs have helped to fuel sharp rally since October

Frequent changes to levies make it difficult to predict how trade of the metals would be affected

Unexpected levy from Trump administration could redraw trade in the metal, analysts and investors warn

New data highlights the need for processing of the metal vital for power grids and electronics, rather than stockpiling