Big Tech AI investment surges to $650 billion as infrastructure spending reshapes the industry
Alphabet, Amazon, Meta, and Microsoft are collectively investing about $650 billion in AI infrastructure in 2026, marking a 60% jump from $410 billion in 2025. The spending spree is forcing these tech giants to slash stock buybacks to their lowest levels since 2019, while Nvidia reports record 75% gross margins fueling both opportunity and concern about sustainability.