Hauppauge Digital (OTCMKTS:HAUP) and Interlink Electronics (NASDAQ:LINK) are both small-cap computer and technology companies, but which is the superior investment? We will compare the two companies based on the strength of their risk, analyst recommendations, valuation, profitability, dividends, institutional ownership and earnings. Profitability This table compares Hauppauge Digital and Interlink Electronics' net margins, return on [...]