Given investment horizon of 30 days, Flamel Technologies SA is expected to under-perform the Emisphere. But the stock apears to be less risky and, when comparing its historical volatility, Flamel Technologies SA is 4.59 times less risky than Emisphere. The stock trades about -0.54 of its potential returns per unit of risk. The Emisphere Technologies Inc. is currently generating about -0.05 of returns per unit of risk over similar time horizon. If you would invest 20.00 in Emisphere Technologies Inc. on April 26, 2012 and sell it today you would earn a total of 3.00 from holding Emisphere Technologies Inc. or generate 15.0% return on investment over 30 days.
Diversification
Very good diversification
Overlapping area represents amount of risk that can be diversified away by holding Flamel Technologies SA and Emisphere Technologies Inc. in the same portfolio (assuming nothing else is changed)