big tech's $350B AI capex is returning about 18 cents on the dollar
I pulled Q1 2026 10Qs for $MSFT, $GOOGL, $META, $AMZN, and $AAPL. Combined capex guidance is roughly $353B. Identifiable AI revenue across all five? About $61.5B trailing. That's $0.18 per capex dollar. Honestly Meta was the worst to isolate because …