For most of the past decade, SpaceX’s stock market debut has lived in the realm of speculation. That has now shifted from rumor to expectation, with investors treating the company less like a future IPO and more like a public giant that simply hasn’t rung the bell yet.

For years, the artificial intelligence trade has felt untouchable. Earnings surprises, massive capital spending plans, and near-constant hype have turned a handful of companies into market heavyweights almost overnight. Now, one of Wall Street’s most famous skeptics is quietly positioning for a very different ending.

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