Mairs and Power Buys American Express, Pfizer in 3rd QuarterGuruFocus.com (registration)GuruFocus gives American Express a profitability and growth rating of 7 out of 10 with good returns of ROE 26.81% and ROA 3.67% that are outperforming 61% of the companies in the Global Credit Services industry. Financial strength has a rating of 4 out ...y más »
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