| Hedge funds are making the biggest bet against copper on record as global inventories expand to a nine-year high, while concern that Europe’s debt crisis will spread spurred the biggest gain in gold bets since 2008.
Speculators raised net-short positions in U.S. copper futures and options by 53 percent to 25,719 contracts in the week ended March 19, according to Commodity Futures Trading Commission data that begins in 2006. A jump in bullish bets on corn, gold and natural gas boosted overall holdings across 18 raw materials for a second consecutive week...............................................Full Article: Source
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