This excerpt taken from the NDAQ 8-K filed Feb 20, 2008.
Creates a premier global exchange company
The combination of Nasdaq, OMX and PHLX brings together highly complementary businesses, uniting Nasdaqs leading global brand, highly efficient electronic trading platform and track record of customer focused innovation with OMXs global technology services platform and customer base, the efficient Nordic Exchange, derivatives capabilities and track record of successful cross-border exchange integrations, and PHLXs options trading platform in the U.S. The NASDAQ OMX Group is a premier global exchange company that is the largest in global listings, second largest in market capitalization of listed companies, second largest in cash equity trading and the third largest in equity derivatives trading in both the U.S. and Europe. The combined company has over 3,950 listings across all industries, more than any other exchange in the world.