Even so, in contrast to only ten years ago, the firms operating in Kansas City today are largely the same as those trading soft red winter wheat at the Chicago Board of Trade and spring wheat at the Minneapolis Grain Exchange.

ECONOMIST: Grains of truth

The contract, which allows participants to lock in prices rather than having to pay the going rate at the time they need apples, started trading on the Minneapolis Grain Exchange Inc. on Aug. 13 and was listed on CME Group Inc.

WSJ: For Investors, a New Pick of the Crop

This summer the exchange announced it would electronically list agricultural contracts and futures from two Midwest grain exchanges, in Kansas City, Mo. and Minneapolis--which themselves have inched in a digital direction.

FORBES: Last Call

This summer the exchange announced it would electronically list agricultural contracts and futures from two Midwest grain exchanges, in Kansas City, Missouri and Minneapolis, Minnesota--which themselves have inched in a digital direction.

FORBES: Companies, People, Ideas