Keefe, Bruyette & Woods Changes Ratings And Targets On Exchange Stocks By: Benzinga via Benzinga December 08, 2014 at 10:11 AM EST Keefe, Bruyette & Woods adjusted ratings and estimates for exchange stocks Monday. NASDAQ OMX Group, Inc. (NASDAQ: NDAQ) was ... Read More >> Related Stocks: CBOE Global Markets Inc CME Group Intercontinental Exchange Nasdaq OMX Group