Nasdaq OMX said on Tuesday that options trading had resumed in a number of widely followed indexes after a halt where the exchange failed to disseminate value for the Nasdaq 100 .
The exchange also said its Global Index Data Service had "experienced a brief disruption of service" with no impact to equity exchange operations, and that it was investigating the issue.
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Earlier, Nasdaq said its PHLX and Nasdaq Options Market exchanges had halted options trading in the Nasdaq 100, as well as the PHLX Semiconductor , PHLX Oil Service and PHLX Housing sectors because it was not disseminating values for the indexes.
The news was the latest technical issue to befall the exchange, which has struggled to repair its reputation following some high-profile problems, most notably the botched initial public offering of Facebook Inc .
"I don't know what it is, but it appears they have an unusual proportion of technical problems there," said Stephen Massocca, managing director at Wedbush Equity Management LLC in San Francisco. "You would think they would be on their tippy-toes making sure everything was absolutely correct over there ... at this point, it's more than just luck."
The exchange also said it is not generating values for the Nasdaq 100 index, the benchmark of the PowerShares QQQ Trust exchange-traded fund , one of the most traded ETFs.
(Reporting by Rodrigo Campos, Chuck Mikolajczak and Ryan Vlastelica; Editing by Chizu Nomiyama, Andre Grenon and Tim Dobbyn)