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. ; p5 S& K8 q1 B$ i* y 1 ?8 t1 X: ?4 ]( ^6 g/ z! E. XIf 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..