 DarioHealth NASDAQ:DRIO and Atrion NASDAQ:ATRI are both small-cap medical companies, but which is the superior stock? We will compare the two businesses based on the strength of their dividends, valuation, institutional ownership, analyst recommendations, profitability, risk and earnings. Insider and Institutional Ownership 12.7 of DarioHealth shares are held by institutional investors. Comparatively, 65.8 of Atrion ... 