The Sierra Core Retirement Fund invests primarily in a very broadly diversified portfolio, which may consist of open-end mutual funds and exchange-traded funds (ETFs). Through those vehicles, the Fund invests in domestic and foreign equity securities of various sized companies, domestic and foreign debt securities of corporate and government bond issuers, having varying maturities and credit qualities, including high yield securities, and Exchange Traded and other funds that track physical commodities, including crude oil, copper, gold and wheat. The Fund can also invest in money market instruments, cash or mutual funds holding foreign securities.