Investors who want enhanced yield may be willing to forego some tax advantages, says a person familiar with the ETN.

WSJ: In New Funds, Old Flaws

Your premium income for writing this risky put option takes the form of an enhanced yield on the bank note.

FORBES: Guaranteed to Go Up

Pest-resistance and other traits related to yield or other desired qualities have thus been introduced and enhanced for centuries by a variety of genetic modification techniques.

FORBES: Back To The Future: Let's Reverse 25 Years Of Flawed Agbiotech Regulation