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Copper, aluminium drive higher after court rejects Trump tariffs

The prices of copper, aluminium, and other base metals rose on Friday as the U.S. Supreme Court overturned sweeping tariffs that were imposed by President Donald Trump in accordance with a law meant to address national emergencies. London?Metal Exchange benchmark 3-month copper increased 0.8% to $12,917 per metric ton at 1720 GMT. It had previously reached $12,985.50, its highest level in a week. Aluminium also rose 1.2% to $3103.50.

The ruling is "constructive" for base metals, as it reduces the near-term risk to global trade flows and demand. The upside will likely be limited, however, given that some sector-specific duties are still in effect and other trade measures are possible," said ING commodities strategist EwaManthey. The?ruling did not affect U.S. Tariffs on Primary Aluminium, Copper Products and Steel since Trump didn't use the emergency law as a justification. He used Section 232 of the Trade Act to justify the metals tariffs.

Manthey reported that aluminium had reached its highest level in a week earlier on investor concerns over constrained growth of supply. China, the world's largest producer of aluminium, recently met the annual production limit of 45 million tons set by the government. Meanwhile, another smelter in the U.S. has closed due to high electricity prices.

Although volumes were muted due to the Lunar New Year holiday closure of the Shanghai Futures Exchange, the rest of the market did gain. The market will reopen on February 24.

The price of copper has recently been impacted by?rising inventory. Stocks at LME-approved storage facilities grew to 235.150 tons Data?showed that Friday was the highest level of sales since March 2025. So far this year, inventories have risen by 65%. LME 'zinc' gained 1.1%, to $3,375 per ton. Nickel added 0.4%, to $17 350. Tin advanced 2.4%, to $46,740. Lead rose 0.6%, to $1,965.50. (Reporting and editing by David Goodman, Jon Boyle and Ishaan Verma Additional reporting by Ishaan rora and Swati rma in Bengaluru)

(source: Reuters)