The grocery store landscape is rapidly changing and companies like Kellogg Company K that are exposed to the "middle aisles" are falling out of favor among some analysts. The Analyst Argus Research Company's David Coleman upgraded Kellogg's stock rating from Hold to Buy with a $73 price target. The Thesis Kellogg's stock has underperformed in the last three months and one-year period, creating an attractive opportunity for investors, Coleman said in a research report. SourceStochastics are overbought, the upside is over. $K, Kellanova / D