Thank goodness. Them spinning that out would have been a nightmare. Bad day to be Apple.
Edit: I just checked the stock, I had no idea people priced in a split with that much certainty.
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It's not binary. "Wall Street" is a lot of people independently pricing what they think is the probability and impact.
But so yes, Wall Street was absolutely pricing in a drastic breakup to some degree. If they'd thought it was even more likely, the bump would have been even larger.