ICT has revolutionized stock market transactions

Source: The Economist, May 17th 2007

The profitability of share-trading by large investors, which used to be at the heart of brokerage, has fallen steadily over the last quarter century, overtaken by electronic transactions in which shares are processed cheaply in vast shoals. "Share-cropping: Hard-hit equity traders are fighting back," The Economist, May 17th 2007.