Allowing for 30-days total investment horizon, Cigna Corp is expected to generate 0.72 times more return on investment than Avid. However, Cigna Corp is 1.39 times less risky than Avid. It trades about 0.14 of its potential returns per unit of risk. Avid Technology Inc is currently generating about -0.17 per unit of risk. If you would invest  6,760  in Cigna Corp on May 20, 2013 and sell it today you would earn a total of  206.00  from holding Cigna Corp or generate 3.05% return on investment over 30 days.