 Sorrento Therapeutics NASDAQ:SRNE and TrovaGene NASDAQ:TROV are both small-cap medical companies, but which is the superior business? We will compare the two companies based on the strength of their profitability, dividends, earnings, risk, analyst recommendations, valuation and institutional ownership. Profitability This table compares Sorrento Therapeutics and TrovaGenes net margins, return on equity and return on ... 