Musk's Tesla and SpaceX crash, lose over $420 billion in combined market cap

What happened

Tesla and SpaceX shares fell about 11% and 9%, respectively, on Thursday afternoon, amid concern that Elon Musk could face congressional investigations and his companies could face stricter regulation after the US midterm elections. Their combined market value fell by more than $420 billion since Tuesday’s close.

Confirmed

Global impact / market context

The article links the share declines to possible investigations and tighter rules, which could create legal costs or restrict business activity if they occur. Lower share values also reduce the companies’ market worth, while a wider technology-sector sell-off may add pressure beyond company-specific concerns.

Analyst inference

The reported losses occurred during a broader technology-sector sell-off, so the article does not attribute the entire decline to political concerns. It also describes potential investigations and regulation as investor worries, not as confirmed government actions or enacted rules.

Confirmed

What to watch

1. Whether congressional investigations are opened would clarify if the political concern described in the article becomes an actual process that could bring legal costs or demands for information. Analyst inference
2. Whether stricter regulation follows the midterm elections matters because new rules could constrain company operations or require spending to meet obligations; the article says this remains a possibility. Analyst inference
3. Whether technology shares continue falling would help show how much of Tesla’s and SpaceX’s pressure reflects the wider sector sell-off rather than company-specific political concerns. Analyst inference

Evidence

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