Apple's US$5 trillion dilemma: iPhone Duo and AI raise stakes for next growth chapter

Apple's record fiscal 2026 performance left a central question unresolved: can premium-priced iPhones, AI, and expanding services sustain enough growth to justify a valuation approaching US$5 trillion? For new CEO John Ternus, the challenge is converting product innovation into lasting earnings growth rather than relying on Apple's established customer base.