Copper prices rose to their highest level in almost two weeks Friday, with some market participants attributing the industrial metal's gains to expectations of more economic stimulus from China, its largest consumer.

Copper for September delivery, the most actively traded contract, climbed 2.85 cents, or 0.9 per cent, at $US3.2045 a pound on the Comex division of the New York Mercantile Exchange, its highest settlement since August 5. Prices are up more than three per cent in the last three trading sessions…