Omicron Covid variant causes global markets to plunge  NEWS.com.auInvestors cling to hope as Omicron variant spreads, Australian shares lose momentum  ABC NewsASX set to rise as Wall Street rebounds following Omicron fall  The Sydney Morning HeraldOmicron: World needs to calm down in the face of a new variant  Gulf NewsHow fundies are reacting to Omicron - Ally Selby | Livewire  Livewire Markets