Mr. Aleynikov, who is free on $750,000 bond, is suspected of having taken pieces of Goldman software that enables the buying and selling of shares in milliseconds. Banks and hedge funds use such programs to profit from tiny price discrepancies among markets and in some instances leap in front of bigger orders.
Defenders of the programs say they make trading more efficient. Critics say they are little more than a tax on long-term investors and can even worsen market swings.
But no one disputes that high-frequency trading is highly profitable. The Tabb Group, a financial markets research firm, estimates that the programs will make $8 billion this year for Wall Street firms. Bernard S. Donefer, a distinguished lecturer at Baruch College and the former head of markets systems at Fidelity Investments, says profits are even higher....
Doug Greeley | 3/15/2009
