Baystreet Staff - Friday, April 24, 2015 NASDAQ OMX Group (NDAQ) falls on quarterly earnings NASDAQ OMX Group, Inc. (NASDAQ: NDAQ) shares dropped 2.1% to $48.71. On Thursday, NASDAQ reported quarterly earnings of $0.80 per share on revenue of $507 million. Share volume was 613,500, compared to an all-day average of 981,000