Three mega-listings will gladden those who want to see the wealth generated by AI spread more widely. Still, there may be losers from the changes https://www.economist.com/business/2026/03/29/the-plan-to-make-ipos-great-again?taid=69c98e2a802c97000147a8a9&utm_campaign=trueanthem&utm_medium=social&utm_source=voante