Apple has had its problems with sapphire manufacturers before, but not with its latest supplier, which not only stands as the largest sapphire manufacturer in the world and one of the few that are showing any kind of operating profit — but also just churned out the world’s first 300lb synthetic sapphire crystal.
Apple’s sapphire maker grows the world’s biggest sapphire crystal
Photo: GT Advanced Technologies
But which will be the first to take a tumble?

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