OM Group Investor Day - March 13, 2014 In New York

CLEVELAND, Feb. 27, 2014 /PRNewswire/ -- OM Group, Inc. (NYSE: OMG) will host an Investor Day on Thursday, March 13 at the Grand Hyatt New York hotel in New York City.  The event will start at 9:00 AM ET and is expected to last for approximately three hours.  Participants...