Goldman upgrades Kellogg to buy, calls it the 'most compelling value left in snacks'

Kellogg Co. Froot Loops brand breakfast cereal.
Daniel Acker | Bloomberg | Getty Images

Kellogg's stock will grow more than it ever has before, according to Goldman Sachs.

The firm upgraded the stock to buy from neutral, calling it "the most compelling value left in snacks." Goldman also hiked Kellogg's 12-month price target to $72 from $58, implying 14% upside for the stock.