METALS-Shanghai copper edges up amid persistent dollar weakness
January 23, 2018 at 03:33 AM EST
(Recasts to lead with ShFE copper, updates prices) BEIJING, Jan 23 (Reuters) - Shanghai copper prices gained ground on Tuesday amid a persistent weak dollar, even as official data showed China churned out a record volume of refined copper in December, suggesting the world's biggest copper consumer is well supplied. A weak dollar makes metals cheaper for holders of other currencies and supports prices, and the greenback's dive as a result of the U.S. government shutdown had seen copper c