 RenovaCare OTCMKTS:RCAR and GenMark Diagnostics NASDAQ:GNMK are both small-cap medical companies, but which is the superior investment? We will compare the two businesses based on the strength of their profitability, earnings, institutional ownership, valuation, risk, analyst recommendations and dividends. Analyst Ratings This is a summary of current recommendations and price targets for RenovaCare and GenMark ... 