LONDON, July 1 (Reuters) - Copper closed higher on Tuesday, boosted by worries about supply disruptions in Peru, while record high oil prices helped push up aluminium.
Copper for three-month delivery on the London Metal Exchange closed at $8,610 per tonne compared with $8,520 at the close on Monday, having touched a two-month high of $8,645 earlier in the session.
At the New York Mercantile Exchange's COMEX division, copper for September delivery settled up 2.80 cents at $3.9105 a lb, after dealing between $3.85 and $3.9245, the contract's highest level since its May 5 peak at $4.22.
"At this point, copper needs to make a clean break of the $4.00 mark," said Matthew Zeman, head of trading with LaSalle Futures Group in Chicago. "If we can do that, I think there will be a lot of people much more willing to jump into this market.
"To do that, copper is going to need help from other players ... whether it's crude oil, the continuing strike or some type of supply-disruption fears, or a further weakening in the U.S. dollar," he added.
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