The Rethinking Time podcast series from Fidelity Institutional Asset Management unravels the myths & realities of portfolio construction. Portfolio construction strategies that have worked in the past may not work today, and through years of constructing investment portfolios we have found that a multi-horizon based framework may be the big differentiator. For legal info go to go.fidelity.com/legal. Fidelity Investments Institutional Services Company, Inc., 500 Salem St., Smithfield, RI 02917.