Assuming 30 trading days horizon, Atlantic Coal PLC is expected to under-perform the Aceto. In addition to that, Atlantic is 3.28 times more volatile than Aceto Corporation. It trades about -0.07 of its total potential returns per unit of risk. Aceto Corporation is currently generating about -0.17 per unit of volatility. If you would invest 908 in Aceto Corporation on April 25, 2012 and sell it today you would lose (86.00) from holding Aceto Corporation or give up 9.47% of portfolio value over 30 days.
Diversification
Significant diversification
Overlapping area represents amount of risk that can be diversified away by holding Atlantic Coal PLC and Aceto Corp. in the same portfolio (assuming nothing else is changed)
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