Knight Capital Group – Trading Program Ran Amok, With No ‘Off’ Switch – 9 August 2012

 

When computerized stock trading runs amok, as it did this week on Wall Street, the firm responsible typically can jump in and hit a kill switch.

But as a torrent of faulty trades spewed Wednesday morning from a Knight Capital Group trading program, no one at the firm managed to stop it for more than a half-hour.

Some Knight employees and New York Stock Exchange officials noticed the blizzard of erratic orders in the minutes after trading started and sent alarmed messages to Knight managers, according to the exchange and Knight employees who declined to be identified discussing the matter.

Read the whole story at dealbook.nytimes.com link to original article

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