 Atrion NASDAQ:ATRI and DexCom NASDAQ:DXCM are both medical companies, but which is the better business? We will compare the two companies based on the strength of their valuation, institutional ownership, analyst recommendations, risk, profitability, dividends and earnings. Earnings and Valuation This table compares Atrion and DexComs gross revenue, earnings per share and valuation. Gross Revenue ... 