Apple shares have surged back to record territory, adding nearly $600 billion in market value since late June, as a growing number of investors question whether Big Tech's massive artificial intelligence spending spree will ever pay off.

The rally marks a dramatic reversal. Apple stock hit a low on June 25 after a disappointing showcase of its upcoming AI features left investors cold. Since then, shares have climbed 15%, returning Apple to a market capitalization above $4 trillion and making it the standout performer among the so-called Magnificent Seven tech stocks.

The catalyst? A broad rotation out of companies spending hundreds of billions on AI infrastructure — Microsoft, Alphabet, Meta, and Amazon — and back into Apple's capital-light model.

"Apple is the anti-AI-capex trade," said a market strategist. "While everyone else is burning cash on data centers and GPUs, Apple is letting them build the infrastructure and then integrating AI as a feature, not a business model."

Apple's capital expenditures for fiscal 2026 are expected to be around $14 billion — a fraction of the $100 billion-plus that peers like Microsoft and Google are spending annually. Apple's strategy of integrating third-party AI models (including a partnership with OpenAI for ChatGPT on iPhones) rather than building its own massive cloud infrastructure is now being vindicated by the market.

Mizuho Securities noted Apple's "capital-efficient AI approach" and iPhone upgrade cycle potential. While Apple's AI revenue is projected to exceed $1 billion this year, that's dwarfed by cloud AI revenues at Microsoft and Google. But Apple's profitability per dollar of AI investment is far higher.

The rotation also reflects broader anxiety about AI returns. Big Tech is projected to invest over $600 billion combined on AI in 2026, but skeptics question when — or if — those investments will generate proportional revenue. Microsoft's Azure AI growth, while strong, has shown signs of deceleration, and Meta has warned that AI infrastructure costs will rise significantly.

Analysts also see a foldable iPhone as a potential next catalyst for Apple. Reports suggest Apple could launch a foldable device as early as 2027, which could trigger a massive upgrade cycle among the iPhone's 1.5 billion installed base.

Apple's rally underscores a growing schism in tech: the companies building AI infrastructure are spending fortunes, but the companies integrating AI smartly may be the ones rewarded by Wall Street.