 GreenSky NASDAQ:GSKY and The9 NASDAQ:NCTY are both small-cap business services companies, but which is the superior investment? We will compare the two businesses based on the strength of their earnings, risk, institutional ownership, profitability, analyst recommendations, valuation and dividends. Earnings Valuation This table compares GreenSky and The9s revenue, earnings per share and valuation. Gross ... 