be careful with commodity funds. If you are referring to the ETF futures, these are fund that based on commodities and is not mean to keep long term. / K/ x1 Z% r' x/ v / L; ^5 U; ~2 T. C9 c5 P! x( O2 eIf you want to invest in energy, it would be best to invest into companies that produce these commodities, not the future of these actual commodities..