March silver futures in the U.S. neared 30-year highs on Wednesday, and March palladium futures hit a 9-year high, while copper and gold also continued to record levels seen Tuesday.
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由于笃定原油,铜,白银看涨,投机者手中持有的期货合同到2010年10月份上升了12%。
Futures contracts held by speculators were up 12 percent in 2010 through October, with sharp increases in bullish bets on crude oil, copper and silver.