Stock Market Newsยท2025-11-16 04:38Core Insights - The technology sector is witnessing a significant increase in capital expenditure, particularly in AI infrastructure, surpassing levels seen during the 2000 dot-com bubble [2][6] - Big Tech's collective capital spending reached an annualized pace of $313 billion in Q2 2025, more than double the spending in 2023, with AI-related capex projected to exceed $405 billion in 2025 [3][9] - The third quarter of 2025 saw a 75% year-over-year increase in Big Tech AI capex, reaching a record $113.4 billion, with individual companies like Amazon, Microsoft, and Meta making substantial commitments [4][9] Capital Expenditure Trends - Big Tech's capital expenditure for AI infrastructure is projected to exceed $405 billion in 2025, a significant increase from 2023 [9] - Major companies are experiencing year-over-year growth rates in capex of 75-81% in Q3 2025, driven by high demand for AI compute and data centers [4][9] - The overall capital spending in the cloud and hyperscaler sectors could surpass $450 billion by 2027, up from $150 billion in 2023 [5] Market Dynamics - Today's tech giants, including the "Magnificent Seven," are characterized by genuine earnings growth and strong cash flows, contrasting with the speculative nature of many dot-com companies [6][9] - The information technology sector's weight in the S&P 500 has surpassed 35%, raising concerns about market concentration and high valuations [7] - Analysts suggest that the current S&P 500 valuation may require 15% annual earnings growth until 2030 to be justified, drawing parallels to historical examples like Cisco [7]