Celanese Corp (NYSE:CE) stock is up 5.4% to trade at 44.65atlastglance,afterthe chemicalscompany was upgradedbyCitigroupto"buy"from"neutral,"togowithaprice−targethiketo53 from 47.TheanalystincoveragesaidCelanese issettobenefitfromChina′scurbedcoalproduction,autobuildsimprovements,andpotentialbalancesheetsupportfromdivestitures.CEispacingforitsfifth−straightgainasittestsaslewofmovingaveragesoverhead,anareathatroughlycoincideswith50. The sh ...