By Ed Ballard 

LONDON--Copper prices fell on Tuesday ahead of a policy speech by Donald Trump that could shed light on the government's plans for infrastructure spending.

The London Metal Exchange's three-month copper contract was down 0.3% at $5,921.50 a metric ton.

The day's main event promises to be President Trump's address to Congress. Any specific proposals on infrastructure investment may shift the market's perceptions of supply and demand for metals.

Commentary on economic policy more generally may indirectly influence metals markets by moving the dollar and changing the cost of dollar-priced commodities.

Brokerage firm Marex Spectron said copper is "like a deer in headlights, " potentially vulnerable to a reversal if a labor dispute at the world's largest copper mine in Chile is resolved, or if speculators quickly sell their sizable bullish position in the futures market.

But Marex said concerns over supply, combined with declining stocks of metal in LME warehouses, are keeping the market supported for now.

Workers are striking over pay at the Escondida mine in Chile, majority-owned by BHP Billiton Ltd., while Freeport-McMoRan Inc. is locked in a standoff with the Indonesian government over permission to export copper concentrate produced at the Grasberg mine.

Aluminium was up 0.1% at $1,899.50 a ton, lead was up 0.8% at $2,277 a ton, tin was up 0.7% at $19,150 a ton and zinc was up 0.6% at $2,827.50 a ton. Nickel was down 0.5% at $10,975 a ton.

Write to Ed Ballard at ed.ballard@wsj.com

 

(END) Dow Jones Newswires

February 28, 2017 07:02 ET (12:02 GMT)

Copyright (c) 2017 Dow Jones & Company, Inc.
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