Digital China ( OTCMKTS:DCHIF ) and Mandiant ( NASDAQ:MNDT ) are both computer and technology companies, but which is the superior business? We will compare the two businesses based on the strength of their profitability, institutional ownership, earnings, valuation, dividends, analyst recommendations and risk. Profitability This table compares Digital China and Mandiant’s net margins, return on equity and return on assets. Net Margins Return on Equity Return on Assets Digital China N/A N/A N/A Mandiant -30.46% -9.97% -2.10% Institutional and Insider Ownership 84.1% of Mandiant shares are owned by institutional investors. 2.1% of Mandiant shares are owned by company insiders....