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After AI: The Final Frontier
There is likely plenty of growth left in AI, but in one sense, it's a mature investment theme. The biggest AI-related names are some of the biggest names in the stock market. Nvidia (NVDA), for example, has a market cap of $3.5 trillion. In contrast, the biggest name in space, Elon Musk's still-private SpaceX, has a valuation about a tenth as large.
Two space companies that spiked on Friday, Rocket Lab (RKLB) and Intuitive Machines (LUNR), have market caps of about $14 billion and $3 billion, respectively.
LUNR spiked 13%...