As the European exchanges link up and trading fees collapse, Greifeld expects trading volumes to increase rapidly and a wave of new computerized exchanges to spring up.

FORBES: Get Briefed: Robert Greifeld

The exchanges are responding to a link-up between its two biggest rivals, the Chicago Board of Trade and Europe's Eurex.

ECONOMIST: Chemical attraction

Instead, traders around the world will be able to buy and sell futures contracts on any of these exchanges via a single computer link, without anyone signalling a trade across the crowded floor of a futures pit.

ECONOMIST: All our futures | The

Studies, like a 2007 report prepared by Art Durnev and Amrita Nain of McGill University, have also shown a link between increased enforcement of insider trading laws and decreased exchanges of confidential information across a vast spectrum of countries.

FORBES: Can The Government Stop Insider Trading?