a diversified portfolio diversity Fidelity Investments diversify your portfolio fidelity.com reduce your risk an article reduce your risk Fidelity.com: The Pros' Guide to Diversification Fidelity's Asset Diversification Planner like Fidelity recommends The pros’ guide to diversification age-appropriate age-appropriate fidelity.com fidelity.com Fidelity Investments long-term diversification Diversification Pros’ guide to diversification