RESEARCH ALERT-Pioneer Natural Resources: Oppenheimer cuts to perform
November 20, 2013 at 23:03 PM EST
Nov 20 (Reuters) - Pioneer Natural Resources Co : * Oppenheimer cuts to perform from outperform For a summary of rating and price target changes on U.S. companies: Reuters Eikon users, click on Reuters 3000Xtra users, double-click Thomson ONE users, type in RT/RCH/US For a summary of rating and price target changes on Canadian companies: Reuters Eikon users, click on Reuters 3000Xtra users, double-click Thomson ONE users, type in RT/RCH/CA