And last week's selloff aside, the world's biggest tech companies, of course, often called the Magnificent 7, are the locomotive that's been powering the markets. And to some people, they're here to stay. But our next guest is not so fast.Market history tells us that big dogs rarely stay on top. Joining me at the desk, Rob Arnot, research affiliates, founder and chairman of the board. Good to see you, Rob.>> How are you. Good to see you. >> So, that is a bit of a different question than the bubble question ...

- Getty Images Research conducted by the recent Nobel laureates in economics suggests that Nvidia will not remain the largest publicly traded corporation for long. None of the Nobel Prize winners —Joel Mokyr of Northwestern University, Philippe Aghion of the Collège de France and INSEAD in Paris, and Peter Howitt of Brown University — focused their research on Nvidia NVDA specifically. But much of their work has looked at the crucial role played by “creative destruction” in promoting long-term economic g ...