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Copper rises after Trump extends Iran ceasefire; aluminum seen facing 'black swan' supply shock
Copper prices rose Wednesday as President Trump's extension of the ceasefire with Iran improved overall risk sentiment, although lingering uncertainty over the war capped gains. The renewed premium of Comex copper prices over the London Metal Exchange global benchmark, a defining feature of the copper market in 2025, has re-emerged this month, encouraging shipments to the U.S. More copper will flow to the U.S. while the price premium persists until July, when a decision is expected on whether the U.S. will impose tariffs on the metal, Mercuria's global head of metals Kostas Bintas told Reuters. Benchmark ... (full story)