Humanoid robotics could become one of the market's next major themes. As AI eventually moves out of data centers and into machines that can see, move, and work in the physical world, companies developing humanoid robots will attract enormous attention.
But history suggests the more reliable way to play an emerging theme is not betting on which robot maker wins. Instead, it is owning the suppliers every robot needs regardless of who builds it. The picks-and-shovels approach. And with growth equities selling off hard in recent weeks, some of the best-positioned names in the theme are suddenly trading well below their recent highs. Here are three worth watching closely.