As the years have progressed, commodity exposure has evolved from a binary factor, either you have it or you don’t, to a necessary component of every portfolio. But as markets have been continually beaten down as of late, for many investors, finding the right commodity allocation has been something of a difficult task. A number of investors have stopped looking for growth, and taken cover in value funds that pay out annual yields in a time when no returns are guaranteed [see also The Guide To The Biggest Companies In Every Major Commodity Sector].