Source: Bloomberg (paywall)
Alphabet's $530 billion market cap evaporation following Q3 earnings exposes a valuation split: investors are no longer extrapolating lab breakthroughs into near-term revenue at the scale required to justify mega-cap multiples. Each pullback compounds doubt about whether the trillion-dollar AI infrastructure build can generate proportional returns before capital discipline reasserts itself. The question is whether current deployment rates and monetization models can justify the 2023-24 investment thesis that powered the rally.