RESEARCH ALERT-Twitter: Wunderlich starts with sell rating

Nov 18 (Reuters) - Twitter Inc : * Wunderlich starts with sell rating; price target of $34 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