RESEARCH ALERT-Cimarex Energy: Stifel raises to buy

Nov 22 (Reuters) - Cimarex Energy Co : * Stifel raises to buy from hold 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