For the last three years, copper has traded on commodity exchanges in a narrow band centering around 76 cents per pound.

FORBES: Magazine Article

After the CFTC issued 16 of those letters, speculation grew to more than 80 percent of the activity on the commodity exchanges, a Congressional staffer told Taibbi.

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This is the benchmark gasoline product traded on the major commodity exchanges.

FORBES: Commodities Turn the Corner

Experts on London's commodity exchanges claim that so much Russian nickel, aluminum and copper is being dumped on the market that world prices are depressed.

CENTERFORSECURITYPOLICY: Center For Security Policy

In 2002, when India lifted a 33-year ban on commodity derivatives and its government invited bids to set up national commodities exchanges, as many as 16 bidders lined up.

FORBES: Magazine Article