The UBS E-TRACS CMCI Food TR exchange-traded note ( FUD) was a close second in with gains of 48.85% in the last year.

FORBES: Investors Finding Big Gains on Farms

The note, which was created in March 2008, is similar to the iPath DJ-UBS note in that it takes long positions in agricultural futures, tracks the UBS Bloomberg CMCI Food Index and is heavily weighted towards sugar, soybeans and corn.

FORBES: Investors Finding Big Gains on Farms