Acuity (NYSE:AYI – Get Free Report) and Edenred (OTCMKTS:EDNMY – Get Free Report) are both mid-cap business services companies, but which is the better investment? We will compare the two businesses based on the strength of their analyst recommendations, institutional ownership, profitability, risk, dividends, valuation and earnings. Volatility and Risk Acuity has a beta of 1.5, indicating that its stock price is 50% more volatile than the S&P 5…