 GENFIT S AADR NASDAQ:GNFT and Atara Biotherapeutics NASDAQ:ATRA are both small-cap medical companies, but which is the superior stock? We will compare the two businesses based on the strength of their analyst recommendations, institutional ownership, risk, valuation, profitability, dividends and earnings. Profitability This table compares GENFIT S AADR and Atara Biotherapeutics net margins, return on ... 