Therefore, the optimum asset allocation to gold over long periods of time is zero.

FORBES: The Optimum Asset Allocation to Gold Is Always Zero

The reason is that such a document spells out a logical asset allocation given one's financial goals, discusses the historical levels of volatility inherent in the chosen allocation and mentally prepares the investor for the harsh reality that periods of "black swan" events do happen.

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In five out of the six periods during market turmoil, an allocation to gold preserved wealth by reducing the hit taken by the portfolio.

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While past performance cannot guarantee future results, and asset allocation cannot ensure a profit or protect against a loss, applying a historical perspective and maintaining an appropriate strategic asset allocation can help provide comfort and direction to investors during periods of great volatility.

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Given the many moving pieces in the complex, global investment puzzle, investors would be wise to revisit their asset allocation strategies to help ensure that they have the diversification in place to withstand potential periods of heightened volatility as well as the breadth of asset classes and sectors to help deliver risk adjusted growth opportunities.

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