The MarketOracle reported Is Copper the “New Gold?”:

Clearly, copper's big in art. It's also a key metal that keeps the world economy humming. Copper consumption has grown at an average annual rate of 4% since 1900. China and India - which some analysts describe as the combined market of "Chindia" - where one of every three human beings resides, needs loads of this element to meet its modernization requirements for electricity and infrastructure.Copper is also used in today's currency, where most U.S. coins are actually 92% copper, and 8% nickel.

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