Allowing for 30-days total investment horizon, Lorillard Inc. is expected to generate 1.4 times more return on investment than British Amer. However, Lorillard is 1.4 times more volatile than British American Tobacco plc. It trades about -0.29 of its potential returns per unit of risk. British American Tobacco plc is currently generating about -0.43 per unit of risk. If you would invest 13,569 in Lorillard Inc. on April 26, 2012 and sell it today you would lose (1,085) from holding Lorillard Inc. or give up 8.0% of portfolio value over 30 days.
Diversification
Average diversification
Overlapping area represents amount of risk that can be diversified away by holding Lorillard Inc. and British American Tobacco plc in the same portfolio (assuming nothing else is changed)