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Explained in plain English

Why do shares jump and drop?

Share prices are a bit like a popularity contest, constantly changing based on what investors think about a company's future. Good news or strong performance can make them jump, while worries or bad news can make them drop. SpaceX's shares dropped due to concerns about its AI data centres, then recovered slightly after the rule change.

Stories that explain this

SpaceX shares jump 6% despite early investors selling

Related explainers

What are 'locked-in' shares? What are AI data centres? Who are 'early backers'? Why did Barratt shares jump? Why do shares drop? Why do shares drop after a sale? Why do shares jump? Why did tech shares jump?

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