The AI revolution has reached a key inflection point, with the largest U.S. tech firms embarking on a massive AI infrastructure buildout. While the market has rewarded this spending so far, we find that historical capital expenditure booms have typically resulted in overinvestment, excess competition, and poor stock returns – both at the macro and individual firm level. With the AI arms race transforming Big Tech from asset-light to asset-heavy, a model we find associated with inferior returns, our value-based playbook suggests rotating toward a broader set of AI beneficiaries with lower capital requirements and valuations.

Full analysis : The AI buildout, surpassing railroads and the internet, moves Big Tech from being asset-light to asset-heavy, which has historically produced inferior returns.