Comex copper futures ended higher on Wednesday, while London copper prices too improved after five straight days of decline as expectations that buoyant demand would outstrip supply in the longer term tempted some buyers back to the market. Prices were also supported by appetite for cyclical assets in the wider markets, with world stocks rising as Republicans rolled out their US tax reform plan. However, a stronger dollar capped some gains.

Copper futures for December delivery added 0.4 percent to settle at $2.930 a pound on the Comex metals division of New York Mercantile Exchange. While, copper on the London Metal Exchange ended up 0.4 percent at $6,438 a metric ton.

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