Yahoo Finance·2025-11-01 15:33Core Insights - The AI buildout is experiencing unprecedented growth, likened to one of the largest investment booms since World War II, as tech giants expand their infrastructure for AI [1] - There is a significant surge in capital expenditures (capex) among major tech companies, driven by the soaring demand for AI capabilities [4][5] Company Summaries - Alphabet's Google Cloud sales increased by 33.5% year over year to $15.2 billion, with a cloud backlog rising 46% to $155 billion. The company anticipates capital spending of $91 to $93 billion in 2025, up from $85 billion, with further increases expected in 2026 [6] - Meta Platforms raised its capex range to $70 to $72 billion for the year due to stronger-than-expected demand, with plans for "notably larger" spending in 2026 compared to 2025 [7] - Microsoft’s Azure AI exceeded internal targets despite capacity constraints, with commercial remaining performance obligations increasing to $400 billion, a 50% year-over-year rise, excluding a $250 billion deal with OpenAI [8]