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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When John Valentine, a financial planner in San Ramon, Calif. who charges a fixed percentage of equity assets, analyzed his clients' returns and volatility over 18 months, those with 24 or fewer securities had a 5% higher risk-adjusted return compared with those owning 35 or more securities.

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