Considering 30-days investment horizon, ITT Educational Services Inc. is expected to generate about the same return on investment as DeVry Inc..However, ITT Educatio is 1.54 times more volatile than DeVry Inc.. It trades about -0.36 of its potential returns per unit of risk. DeVry Inc. is currently producing about -0.55 per unit of risk. If you would invest 3,211 in DeVry Inc. on April 26, 2012 and sell it today you would lose (389.00) from holding DeVry Inc. or give up 12.11% of portfolio value over 30 days.
Diversification
Very weak diversification
Overlapping area represents amount of risk that can be diversified away by holding ITT Educational Services Inc. and DeVry Inc. in the same portfolio (assuming nothing else is changed)