Given investment horizon of 30 days, Delcath Systems Inc. is expected to under-perform the Emisphere. But the stock apears to be less risky and, when comparing its historical volatility, Delcath Systems Inc. is 2.18 times less risky than Emisphere. The stock trades about -0.17 of its potential returns per unit of risk. The Emisphere Technologies Inc. is currently generating about -0.03 of returns per unit of risk over similar time horizon. If you would invest 28.00 in Emisphere Technologies Inc. on April 25, 2012 and sell it today you would lose (5.00) from holding Emisphere Technologies Inc. or give up 17.86% of portfolio value over 30 days.
Diversification
Modest diversification
Overlapping area represents amount of risk that can be diversified away by holding Delcath Systems Inc. and Emisphere Technologies Inc. in the same portfolio (assuming nothing else is changed)
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