How will the bubble in financial markets end? There is a pat answer: badly. But that is not very helpful to people worrying about their Isas, their pension pots or the value of their homes.
So first, is there really a bubble? The best answer is that there clearly is in some asset classes, but by no means in all of them.
Take, for example, Tesla, whose shares shot up again on Friday, valuing the company at more than $800billion (£590billion) and confirming Elon Musk's status as the world's richest person.
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