Your Portfolio Is One Big AI Bet — The Diversification Illusion

Global equity markets currently appear overvalued, with significant portions of the S&P 500 trading at historically high price-to-sales ratios, necessitating a shift toward broader international diversification. Investment veteran Rupert Mitchell emphasizes that building a resilient 20-year portfolio requires evaluating assets against scenarios like economic deglobalization and AI-driven disruption rather than chasing short-term momentum. Energy equities offer long-term value, supported by a "China collar" that stabilizes crude oil prices, while commercial banks face potential disruption from AI agents despite their critical role in sovereign debt funding. Investors should prioritize quality businesses with consistent returns on invested capital and avoid over-reliance on U.S.-centric index exposure. This strategic framework balances geopolitical risks with the need for long-term capital preservation in an increasingly fragmented global economy.