(Reuters) - Nasdaq OMX Group Inc has been sued by an investor who claimed the exchange operator was negligent in handling orders for Facebook Inc shares following its initial public offering, causing ...

WASHINGTON (Reuters) - Nasdaq OMX on Wednesday agreed to pay $10 million, the largest penalty ever levied against a stock exchange, to settle civil charges stemming from mistakes made during ...

May 25 (Reuters) - Dead silence. Sign up here. For nearly 20 minutes on the morning of Facebook Inc's trading debut last Friday, the line Nasdaq had opened up to keep traders informed about the social ...

NEW YORK (Reuters) - Nasdaq OMX faces short-term costs from its botched handling of Facebook shares on their first day of trading but the longer term repercussions could be more expensive as it ...

July 17 (Reuters) - Nasdaq OMX Group Inc and investors who sued the exchange operator over Facebook Inc's $16 billion initial public offering have asked a judicial panel to keep their dispute separate ...

NEW YORK, July 24 (Reuters) - Knight Capital Group is closer to accepting Nasdaq OMX Group's repayment plan for firms that lost money due to Facebook's bungled initial public offering, but still has ...