Given investment horizon of 30 days, Curis Inc. is expected to generate 0.49 times more return on investment than BioGaia. However, Curis Inc. is 2.06 times less risky than BioGaia. It trades about -0.07 of its potential returns per unit of risk. BioGaia AB is currently generating about -0.23 per unit of risk. If you would invest 487.00 in Curis Inc. on April 25, 2012 and sell it today you would lose (21.00) from holding Curis Inc. or give up 4.31% of portfolio value over 30 days.
Diversification
Significant diversification
Overlapping area represents amount of risk that can be diversified away by holding Curis Inc. and BioGaia AB in the same portfolio (assuming nothing else is changed)