New Delhi, Sept. 10 -- While gold and silver prices have been marked by sharp volatility for much of 2026, copper has staged a record-breaking run, fuelled by a surge in shipments to the US ahead of a potential decision on import tariffs and tightening supplies elsewhere.

Copper prices on the London Metal Exchange (LME) have broken multiple records in 2026, while Comex copper has also registered record highs. Amid fears that the US could announce tariffs on refined copper imports, inventories in Comex warehouses have climbed to a record 696,259 tonnes.

LME copper prices touched a record $14,737 a tonne in September 2026, up nearly 50% over the past year, as expectations of US tariffs, tighter mine supply and sharp shifts in global inven...