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Aluminum and copper slump on fears of tariffs hitting growth

Investors worried about new U.S. trade tariffs, a possible global trade war and the impact on economic growth and metals prices have pushed down copper and aluminium prices.

By 1100 GMT, the London Metal Exchange's (LME) three-month aluminium was down by 0.6% to $2,642.50 per metric ton, while copper fell 1.1% to $9344.

U.S. president Donald Trump raised tariffs on imports of steel and aluminum on Monday by a substantial 25%, "without any exceptions or exclusions", which could spark a multi-fronted trade war.

Dan Smith, the head of research for Amalgamated Metal Trading, said that tariffs could be damaging to the U.S. economic system.

Smith was referring semi-fabricated aluminum because Trump's actions extend the tariffs also to downstream products which use metal made abroad.

The second phase is the retaliation by other countries. The U.S. exports are growing as well. So they will still be hit by this.

Aluminum imports from Canada, mainly, are a major source of aluminium in the U.S.

The price of primary aluminum in the U.S. is based on LME benchmark plus Midwest premium. It was up 3% last week to 35 cents per lb. This was the highest level since May 2022 after a 10% jump on Monday. Since Trump's election, it has risen by 60%.

We expect that any tariffs will result in higher prices for U.S. Manufacturers. This would be more likely to take the form of a higher U.S. Midwest Premium than a sustained increase in the LME Price," ANZ Research stated.

On Monday, the premium between U.S. Comex Copper Futures and LME Contracts reached a new record high amid fears that U.S. Tariffs would be imposed on copper.

The premium dropped to $800 per ton on Monday from $930, but is still twice as high as a week earlier.

Lead fell 1.2% to 1,975.50, while tin dropped 0.8% to 30,900. (Reporting and editing by David Evans; Additional reporting in Shanghai by Violet Li)

(source: Reuters)