We upgraded Donaldson Company, Inc. (NYSE: DCI ) to a Buy rating in July this year, primarily due to growing margins, strong volume numbers in Mobility, and accompanying bullish fundamentals in the latter Industrial Solutions and Life Sciences segments. Although DCI'sIndividual investor with a keen interest in deriving income from investment setups. We do this by buying undervalued profitable stocks with strong balance sheets & minimal debt. Furthermore, when the opportunity arises, we like to write calls a ...