Volatile space stocks are getting hit particularly hard, with Rocket Lab(NASDAQ: RKLB) shares down 4.5%, and both Planet Labs(NYSE: PL) and AST SpaceMobile(NASDAQ: ASTS) stocks off 4%. And why?

AST SpaceMobile's case is more singular than those described above. Like Rocket Lab and Planet Labs, the company builds its satellites in the U.S., and presumably sources parts from around the world.

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