 Allena Pharmaceuticals NASDAQ:ALNA and Allogene Therapeutics NASDAQ:ALLO are both medical companies, but which is the better stock? We will contrast the two businesses based on the strength of their dividends, valuation, risk, earnings, profitability, institutional ownership and analyst recommendations. Profitability This table compares Allena Pharmaceuticals and Allogene Therapeutics net margins, return on equity and return ... 