Hooper notes that 2025 growth was driven by "AI capex spending." However, she warns of "speed bumps" for 2026: NIMBYism, power costs, and borrowing constraints. She points out MSFT has underperformed the S&P 500 since Nov 2022 despite the AI boom. If companies decide to "slow down and see the results before we throw more money at this," the primary driver of US economic growth (AI Capex) evaporates. This makes the Hyperscalers vulnerable to a rerating if spending pauses. NEUTRAL / WATCH. The "murder mystery" phase implies picking winners is hard; blind exposure to the group is risky. AI delivers productivity gains faster than expected, justifying continued massive capex.