IT capex swells to record share of S&P 500 spending as AI buildout accelerates

The article reports that the information technology sector now accounts for more than one-third of all S&P 500 capital expenditures, a record share driven by hyperscalers’ heavy spending to build AI infrastructure. That concentration of capex in IT underscores why tech-heavy segments are likely to lead capex-driven growth, reinforcing the market leadership of large AI-exposed companies and influencing sectoral performance within the S&P 500. Investors should note rising idiosyncratic exposure: continued IT capex dominance could amplify returns if AI investments pay off, but also raises concentration and cyclical risks for the index if spending slows.