Memory prices are soaring and AI challenges are intensifying. John Ternus begins his first day as Apple chief executive at a critical juncture for the iPhone maker, with both conditions pressing at once.

The memory crunch sits at the base of the stack for any consumer device business. Memory is a core component in every iPhone generation, which means price movements in that market feed directly into Apple's product economics. Ternus steps into the role as that cost pressure is active.

The AI challenge is the second constraint. Apple faces looming AI demands that the new chief executive now has to answer. The two problems are connected: higher AI capability generally requires more memory, which means the crunch and the competitive AI pressure are compounding in the same direction on the same hardware platform.

Ternus's first day opens with both constraints live and no clear timeline on either.

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