BG Medicine (OTCMKTS: BGMD) and Signal Genetics (NASDAQ:MGEN) are both small-cap medical companies, but which is the better business? We will compare the two companies based on the strength of their dividends, institutional ownership, profitability, analyst recommendations, earnings, valuation and risk. Institutional & Insider Ownership 22.5% of Signal Genetics shares are held by institutional investors. […]