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Why SpaceX Stock Just Gained 11%

The Motley Fool·08/12/2026 19:23:29
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Key Points

  • SpaceX stock surged over 11% Wednesday after Elon Musk told employees that AI revenue could surpass all other company revenue as early as September.

  • The AI growth is likely driven by SpaceX's compute leasing contract with Anthropic, the maker of Claude.

  • Despite the bullish news, SpaceX's cash burn and valuation concerns may give long-term investors reason to pause.

Space Exploration Technologies Corp. (NASDAQ: SPCX) stock rocketed 11% higher on Wednesday as of 3:02 p.m. ET, while the S&P 500 and the Nasdaq Composite jumped 0.3% and 0.6%, respectively.

Shares of the rocket company rose after it posted a recording of an all-hands meeting on X in which Elon Musk told employees that "AI revenue will exceed all other SpaceX revenue" as early as September.

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Why SpaceX's stock jumped after Musk's all-hands

In the recording, Elon Musk emphasized that AI has become "an extremely important part" of the company's future, adding that the models would be trained on their data, making SpaceX employees "the parents of the AI."

Musk said that AI revenue would surpass the rest of the company in all likelihood by next month and "significantly exceed" it in the fourth quarter. While the details were light, this is likely due to its contract with Anthropic, the maker of Claude, which is leasing AI compute capacity from SpaceXAI (it has another contract that will soon commence with Alphabet's Google).

A rocket in flight.

Image source: Getty Images.

Why I'm still not buying SpaceX stock

This is positive news, but it's not exactly surprising given the already announced compute contracts. It also ignores what SpaceX is spending to earn that revenue. Its AI efforts are wildly expensive, and it is still burning cash at an alarming rate.

I still think SpaceX is overvalued.

Johnny Rice has no position in any of the stocks mentioned. The Motley Fool has positions in and recommends Alphabet. The Motley Fool has a disclosure policy.