AI is driving markets, but investors are asking tougher questions about capital expenditure. In his latest piece for Professional Wealth Management , Tom Dalrymple, Gobal Equity Analyst of Aubrey Capital Management , explores the “capex conundrum”  facing hyperscalers like Microsoft, Alphabet, Meta, and Amazon. While cloud revenues and AI innovation continue to soar, the sheer scale of spending — projected to exceed $480bn in FY26  — is sparking debate about sustainability, f