Over the last dozen years, investors holding the classic US 60/40 portfolio were substantially better off than their diversified peers, yet now is not the time to abandon diversification and diversifying asset classes. We believe it is imprudent to trust that escalation in valuations will continue unabated into the next decade and show that an equally weighted portfolio of 16 assets has relentlessly outperformed a 60/40 blend since 1975, supporting the theoretical arguments that underlie the benefits from diversification.
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