First, the reliance of US GDP growth on Tech Spending. The second, from the OECD’s Economic Outlook Interim Report (Sept 2025). Source: OECD, Economic Outlook Interim Report (Sep. 2025), Figure 9. Since the CPI has risen about 23% since January 2021, then the LSEG ex-technology index has risen only about 20% in real (CPI-deflated) terms, or a little more than 5% per year. So, continued GDP growth in the US relies upon a continuation of the boom in IT-related stocks and investment.