We are witnessing the one moment in history where the entire corporate world pulls the ladder up behind itself to slowly become hyper-efficient money making machines without the need for employees or paying wages. The only way to become part of the action is to buy part of the company
But it wont burst as such. People will lose their jobs and their ability to invest. Eventually people start selling out of desperation because they have no means of making money.
Eventually it will stabilise at a point where corps only leak money through taxation (probably to pay for UBI) and dividends as a sort of Hawking radiation