''Copper supply shortages will extend into the first half of next year
as an accelerating Chinese economy more than doubles the pace of growth
in global consumption even as mines extract a record amount of metal.
Demand will outpace supply by 316,000 metric tons in the first six months, more than all copper in London Metal Exchange warehouses,
before a surplus emerges in the second half, Barclays Plc estimates.
Production has lagged behind consumption since 2010, according to the
International Copper Study Group. The metal may average $8,300 a ton in
the second quarter, 5.1 percent more than now and the most in a year,
according to the median of 21 analyst and trader estimates compiled by