Fri, 04 Nov 2011 01:39:27 GMT - High Frequency Trading Review
By Jenny Strasburg
In markets dominated by speed, a new idea is gaining traction: slowing down.
Hedge funds, mutual funds and other big investors have been looking for ways to fight back against the powerful computer systems used by so-called high-frequency traders. Such lightning-fast systems, which use algorithms to buy and sell securities, now account for more than half of U.S. stock trading, according to market researchers.
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