And it has just got longer, with the addition of omega-3 fatty acids, found in fish, which have made the transition from health-food fad to vital nutrient with amazing speed.

ECONOMIST: In praise of omega-3s

The stock's climb "symbolizes the broader market's and institutional investors' appreciation" of organic food as more than a fad, Ms. Ashby said in her office last week after Solera and Annie's employees, along with their children, rang the opening bell at the New York Stock Exchange.

WSJ: The Buyout Brain Behind Annie's IPO