Exchanges play an essential and central role in the world's economy. They epitomize transparency in the price-formation process, informing investors and disseminating vital information for the functioning of financial markets, and in so doing they represent an important source of capital for nascent and established companies alike. Even during the recent crisis, exchanges remained open and liquid in the face of extreme volatility-thus the trust investors place in regulated exchanges when confronted with uncertainty is beyond doubt.

Since the inception of the World Federation of Exchanges...