Copper Pipes

Copper Pipes

Chris Ratcliffe/Bloomberg

Copper in London has slumped 15 percent in the past 12 months, partly as economic growth eased in China. Global supply will exceed demand by 385,000 tons this year, after a 45,000 ton surplus in 2013, and prices will “grind lower,” Goldman Sachs Group Inc. said in a report Jan. 31.