Nasdaq OMX, once regarded as a major exchange powerhouse, has been notable by its absence in this month's merger mania.
As time ticks away, the exchange could find itself increasingly marginalised - although, according to Richard Repetto, an analyst at boutique Sandler O'Neill & Partners, the firm believes it might be able to boost its market share if the other mergers get held up in getting regulatory approval http://bit.ly/eHGZaK.