最后交割日：交割月份最后一个交易日之后的第二个营业日。
Last delivery day: second business day following the last trading day of the delivery month.
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.
小麦价格飙升，9月份交割的小麦期货周三触及每蒲式耳7.11美元，较6月低点大涨58%，这令人不禁担心2008年那种因食物短缺而引发的骚乱有可能重演，但真正的问题可能是价格波动风险和通胀。
Soaring wheat prices -- September futures hit $7.11 a bushel Wednesday, up 58% from June lows -- are triggering fears of a repeat of 2008's food riots.
当天在纽约商品交易所一月份交割的十一月原油期货合约下跌了 1.26美元，收报在每桶 87.34美元。
The front-month November crude contract on the New York Mercantile Exchange was recently trading down $1.26 a barrel at $87.34.
当天在纽约商品交易所一月份交割的十一月原油期货合约下跌了 1.26美元，收报在每桶 87.34美元。
The front-month November crude contract on the New York Mercantile Exchange was recently trading down $1.26 a barrel at $87.34.
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