Typically, this fund allocates a minimum of 80% of its total assets to investments directly tied to its underlying index. This index is generally composed of one or more exchange-traded funds (ETFs), each specifically designed to mirror the performance of common equities drawn from various sectors within the U.S. equity market. These sectors encompass communication services, consumer discretionary, consumer staples, energy, financials, health care, industrials, information technology, materials, real estate, and utilities.