3 Things You Need to Know about an Emergency Fund | Fidelity What's Diversification? | Fidelity Traditional and Roth IRAs | Simple Steps for a Retirement Portfolio Course 3 Things You Need to Know about an Emergency Fund | Fidelity What's Diversification? | Fidelity Traditional and Roth IRAs | Simple Steps for a Retirement Portfolio Course 3 Things You Need to Know about an Emergency Fund | Fidelity