Given investment horizon of 30 days, Spartan Motors Inc. is expected to generate 1.44 times more return on investment than Tata. However, Spartan is 1.44 times more volatile than Tata Motors Ltd.. It trades about -0.07 of its potential returns per unit of risk. Tata Motors Ltd. is currently generating about -0.41 per unit of risk. If you would invest 448.00 in Spartan Motors Inc. on April 26, 2012 and sell it today you would lose (28.00) from holding Spartan Motors Inc. or give up 6.25% of portfolio value over 30 days.
Diversification
Weak diversification
Overlapping area represents amount of risk that can be diversified away by holding Spartan Motors Inc. and Tata Motors Ltd. in the same portfolio (assuming nothing else is changed)
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