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Data glitch halts NASDAQ trading

Martyn Williams | Aug. 23, 2013
A malfunction in a system used to disseminate trading data brought the exchange to a halt on Thursday.

All trading on the NASDAQ market was halted on Thursday due to a glitch in a system used to disseminate trading information.

First signs of a problem were seen at 10:57 EDT (14:57 GMT) when "momentary interruptions in quote dissemination" hit a system that pools data from exchanges that trade NASDAQ securities. Those problems lasted for six minutes before the system returned to normal operation, according to a market status message issued by the exchange.

But roughly an hour later, NASDAQ said there were problems with submission of quotes to the same system. As a result, NASDAQ halted trading at 12:14 EDT and the options market followed suit at 12:20 EDT.

No further details are currently available.

NASDAQ operates one of the two top stock exchanges in the U.S. It is particularly popular with tech companies.

 

 

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