Nasdaq Halts Trading in Stocks, Options Amid ‘Issue’ | Sam Mamudi

Aug. 22, 2013 (Bloomberg) -- Computer breakdowns shook American equity markets again today as malfunctioning software that feeds data between exchanges prompted Nasdaq Stock Market to halt trading in thousands of stocks and options.

Nasdaq said trading for all its listed stocks would resume by about 3:25 p.m. following a 15-minute quote-only period, according to a statement on its website.

The disruption, just two days after options markets were roiled by mistaken trades sent by Goldman Sachs Group Inc., is the latest in a series of computer malfunctions that have raised questions about the reliability of electronic markets. Nasdaq faced criticism last year when its computers mishandled the public debut of Facebook, causing hundreds of millions of dollars in losses for its member firms.

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