SpaceX’s insane IPO valuation is based on a sci-fi tale

Experts say it will take decades to make Elon Musk’s cosmic vision real.

[Photos: Gabriel V. Cardenas/AFP/Getty Images, Marvin Joseph/The Washington Post/Getty Images, Mario Tama/Getty Images, SpaceX]

Elon Musk wants to execute the largest initial public offering in history, chasing a staggering $1.75 trillion to $2 trillion valuation for SpaceX. To justify this unprecedented price tag, he is........

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