 Anpac Bio-Medical Science NASDAQ:ANPC and CareDx NASDAQ:CDNA are both small-cap medical companies, but which is the superior stock? We will contrast the two companies based on the strength of their institutional ownership, profitability, analyst recommendations, risk, dividends, earnings and valuation. Earnings and Valuation This table compares Anpac Bio-Medical Science and CareDxs gross revenue, earnings per ... 