CNBC: Apple's R&D spending hit 10.3% of revenue in Q2, up from 7.6% in Q1 and 9% in Q2 2025, amid the AI boom; Q2 revenue rose 17% YoY, while R&D jumped 34% YoY  —  For the first time in at least 30 years, Apple is spending more than 10 cents of every dollar it brings in on research and development …