Inside Wall Street: Smart Balance Could Be a Healthy Play

"Functional food" -- described as natural, organic or just plain healthy and "good for you" -- is fast coming into vogue. And Wall Street is taking notice.

An increasing number of food companies have come out with wholesome products enhanced with vitamins and other nutrients that supposedly deliver health wonders, such as reducing cholesterol levels or helping build strong bones -- without sacrificing taste. The profit margins from these food categories are high, analysts note.