Helsinki, December 15, 2010— NASDAQ OMX Helsinki has been granted rights to the WWF Green Office designation as the first Green Office Exchange in the world.WWF's Green Office is a practical ...

OMHEX changes name to OMX As part of a new brand strategy, OM HEX AB - owner and operator of Northern Europe’s largest securities marketplace and a leading provider of transaction technology ...

NEW YORK, March 22, 2011 (GLOBE NEWSWIRE) -- The NASDAQ OMX Group, Inc. (Nasdaq:NDAQ) has announced, at the request of the sponsor, NASDAQ OMX® will change the equity symbols for ten PowerShares ...