Given investment horizon of 30 days, Equinix Inc. is expected to generate 0.97 times more return on investment than Windstream. However, Equinix Inc. is 1.03 times less risky than Windstream. It trades about -0.12 of its potential returns per unit of risk. Windstream Corporation is currently generating about -0.31 per unit of risk. If you would invest 16,918 in Equinix Inc. on April 26, 2012 and sell it today you would lose (1,126) from holding Equinix Inc. or give up 6.66% of portfolio value over 30 days.
Diversification
Good diversification
Overlapping area represents amount of risk that can be diversified away by holding Equinix Inc. and Windstream Corp. in the same portfolio (assuming nothing else is changed)
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