Matt Levine’s Money Stuff: Index Funds Can’t Say No to SpaceX

May 26, 2026, 6:08 PM UTC

SpaceX and passives

The basic idea of index investing is that you are not smarter than the market, so you should just buy whatever stocks the market tells you are good. It is a discipline of self-effacement, but it is hard. “The market is stupid,” you will occasionally think, and then what?

The most straightforward form of indexing is that you invest in all of the public companies in proportion to their size, but the best form of indexing would clearly be “you invest in all of the good public companies in proportion to how much they will go up.” Like ...

Learn more about Bloomberg Law or Log In to keep reading:

See Breaking News in Context

Bloomberg Law provides trusted coverage of current events enhanced with legal analysis.

Already a subscriber?

Log in to keep reading or access research tools and resources.