金块和黄金白银期货价格在过去三年连续上升。
Gold bullion prices and gold and silver equities have risen for the last three consecutive years.
周三在纽约商业交易所，2011年3月份交割的白银期货价格接近20年来新高，3月份交割的钯金价格创下9年来新高，铜和黄金价格也持续升至历史高位。
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.
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.
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