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Latest Market Glitch Shows 'Trading Out of Control'

Latest Market Glitch Shows 'Trading Out of Control'

Published: Wednesday, 1 Aug 2012 | 3:52 PM ET Text Size
By: Jeff Cox
CNBC.com Senior Writer

Wednesday morning's stock snafu had a familiar ring to it — mysterious volume in trades that simply could not have been made by a human comes surging out of nowhere, causing brief but acute market mayhem.

By now, many players on trading floors have gotten used to the disruptions that can come from the highly automated new world of high-frequency trading.

But that doesn't mean they like it.

"This algorithmic trading is kind of out of control," Phil Silverman, managing partner at Kingsview Capital, said as officials at the New York Stock Exchange tried to make sense of what happened. "It seriously hurts investor confidence."

By mid-afternoon, no one still quite knew exactly why about 150 stocks experienced a blinding surge in market volume, causing momentary disruptions in the prices of nine Dow components and a slew of others across various categories.

read more; http://www.cnbc.com/id/48443271