Passive Investing, SpaceX and the AI Boom: Are Markets Too Concentrated?

Merryn Somerset Webb and Bloomberg Opinion columnist and senior markets editor John Authers discuss how SpaceX’s market debut has highlighted the hidden risks of passive investing, from index concentration to the growing influence of benchmark providers. They also assess new Fed Chair Kevin Warsh’s first policy signals and debate whether today’s AI boom is a bubble—and what could bring it to an end.

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