Copper Supply Glut Seen Tripling as Prices Sink 10%: Commodities

... percent in 2013, expanding the surplus from 94,000 tons. Stockpiles in warehouses monitored by bourses in London, New York and Shanghai reached 934,654 tons in June, the most since 2003, according to data compiled by Bloomberg. Barclays's prediction ...

http://washpost.bloomberg.com/Story?docId=1376-MUIAYB1A74E901-20HTO7S7CS46N4AMGG4Q2M55SN