The fund generally will invest at least 90% of its total assets in securities that comprise the underlying index. The underlying index is composed of all of the components of the S&P 500® Communication Services Index. The Parent Index is designed to measure the performance of common stocks of all companies included in the S&P 500® Index that are classified as members of the communication services sector, as defined according to the GICS®, with a 22 company minimum count at each quarterly rebalance.