Is this a late-stage bubble?

This week, what should we make of the increasingly diverging range of predictions for stock markets in the coming year? On the one hand there’s optimism that, with a vaccine being rolled-out and Brexit and the US election settled - sort of - markets are set fair for 2021. But on the other hand - there are gloomy warnings that this year could bring an historic bursting of a stock market bubble. See omnystudio.com/listener for privacy information.