Wed, 02 Jan 2013 07:52:26 GMT - HFT Review
Britain's Foresight Program found that high-frequency trading has generally benefited investors-but a European Commission task force recommends that all orders live for at least half a second. In the United States, exchanges began putting clamps on excessive messages from trading firms that canceled far more orders than they turned into transactions.
And on both continents, the specter of some sort of tax on transactions still hangs over the heads of firms that consider a single day to hold as many profit-making opportunities as others see in a full year.
