Freeport is the biggest publicly traded copper company in the world, and the Grasberg mine remains its main asset.

自由港是全球最大的公开交易的铜矿公司，而格拉斯伯格矿井是其主要的资产。

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The Sierrita Mine at image lower right (also owned by Freeport-McMoRan Copper &Gold) produces copper, molybdenum, and the rare metal rhenium.

图片右下部的谢里塔矿（也属自由港麦克莫兰铜金公司）出产铜、钼和稀有金属铼。

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Freeport, the largest publicly traded copper producer, slumped 0.3 percent to $117.71, while Halliburton dropped 1.2 percent to $38.75.

全球最大的铜金属生产商自由港公司（Freeport）股价下跌0.3%，至117.71美元。

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Other competitors in the basic materials sector include: Barrick Gold (ABX), Freeport Copper (FCX), and Vista Gold Corp. (VGZ).

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Freeport Copper is now flowing cash and has paid down its debt.

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When Moffett merged Freeport Copper and Gold with Phelps Dodge a couple of years ago, FCX took on massive debt which it largely paid off in the first year.

FORBES: Magazine Article