This document discusses the legal framework and best practices for fiduciary management of defined contribution plans under ERISA, emphasizing the importance of a thorough decision-making process rather than solely focusing on investment outcomes. It outlines key fiduciary obligations, including the duty of loyalty and care, and highlights five guiding principles for evaluating active and passive investment strategies, stressing that there is no one-size-fits-all approach. The paper also warns against fear-based decision-making, urging fiduciaries to prioritize the interests of participants when making investment selections.