Big Tech's AI Spending Spree: Returns Outpacing Capex Concerns

Wall Street is increasingly concerned that the massive capital expenditures (capex) required for artificial intelligence may lead to a 'capex trap,' where spending outweighs returns. However, recent financial performance from industry leaders suggests these fears may be premature. The AI arms race is accelerating, with industry forecasts predicting a compound annual growth rate of 31% through 2033, potentially pushing the market value to $3.5 trillion. Infrastructure spending is expected to triple by 2029, forcing tech giants to commit unprecedented sums to remain competitive. Amazon exemplifies this trend, planning $200 billion in capex for 2026, following a $132 billion outlay in 2025. While free cash flow dipped to $11 billion in 2025 from $38 billion the previous year, the company's book value surged to $411 billion from $286 billion. Revenue grew 12%, with Amazon Web Services (AWS) seeing a 20% increase. Alphabet is following a similar trajectory, projecting capex between $175 billion and $185 billion for 2026, up from $91 billion in 2025. The company reported an 18% revenue increase in 2025, bolstered by a 48% jump in Google Cloud revenue. Alphabet's book value rose to $180 billion from $125 billion, while free cash flow remained stable at $73.3 billion. For investors, these figures suggest that the heavy spending is not merely a cost but an investment in wealth creation. If the market continues to penalize high capex despite improving book values, it may create a strategic buying opportunity for long-term holders of mega-cap tech stocks.