The International Securities Exchange (ISE) had to suspend trading last Friday (12 October 2007) following a power...
The problem at the ISE's New Jersey site resulted in the temporary suspension of trading in both the options and stock exchanges at 10.16am.
The ISE was able to re-open the stock exchange at 11.30am, and the options exchange at 12.00pm.
The ISE said, "The ISE has undertaken a thorough review of the cause of the issue, and will take all necessary steps to prevent a recurrence."
It did not release any further details about the exact cause of the outage. Mission critical systems like stock exchanges normally have back-up power sources.