Considering 30-days investment horizon, CBS Corporation is expected to under-perform the Comcast. In addition to that, CBS Corporat is 1.73 times more volatile than Comcast Corporation. It trades about -0.11 of its total potential returns per unit of risk. Comcast Corporation is currently generating about -0.1 per unit of volatility. If you would invest 3,024 in Comcast Corporation on April 25, 2012 and sell it today you would lose (131.00) from holding Comcast Corporation or give up 4.33% of portfolio value over 30 days.
Diversification
Poor diversification
Overlapping area represents amount of risk that can be diversified away by holding CBS Corp. and Comcast Corp. in the same portfolio (assuming nothing else is changed)
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