 Anpac Bio-Medical Science NASDAQ:ANPC and Guardant Health NASDAQ:GH are both medical companies, but which is the better investment? We will contrast the two businesses based on the strength of their risk, analyst recommendations, profitability, valuation, institutional ownership, earnings and dividends. Profitability This table compares Anpac Bio-Medical Science and Guardant Healths net margins, return on equity ... 