this post was submitted on 14 Mar 2026
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Stocks

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Why do some stocks behave so similarly? (sopuli.xyz)
submitted 2 weeks ago* (last edited 2 weeks ago) by elucubra@sopuli.xyz to c/stocks@lemmy.world
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I have some money in Rocket Lab, and Planet Labs (I like space stocks). Yesterday, comparing both, I saw that they have very similar curves. I checked a space ETF (Vaneck), and it was markedly different.

What surprises me is that while both are space stocks, their core business is markedly different.

Am I seeing major manipulation here?

I have the nagging feeling that a major player is doing manipulation here. Elon, screwing competitors, maybe?

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[–] yakko@feddit.uk 9 points 2 weeks ago

Michael Burry thinks big ETFs are causing unrelated stocks to move in synch, destroying price discovery. I used to follow that sort of thing more closely, but I forget exactly the mechanism for how.