Assuming 30 trading days horizon, Pacific Environment Limited is expected to under-perform the Rana. In addition to that, Pacific is 2.61 times more volatile than Rana Sugars Ltd.. It trades about -0.09 of its total potential returns per unit of risk. Rana Sugars Ltd. is currently generating about -0.15 per unit of volatility. If you would invest 349.00 in Rana Sugars Ltd. on April 26, 2012 and sell it today you would lose (45.00) from holding Rana Sugars Ltd. or give up 12.89% of portfolio value over 30 days.
Diversification
Pay attention
Overlapping area represents amount of risk that can be diversified away by holding Pacific Environment Limited and Rana Sugars Ltd. in the same portfolio (assuming nothing else is changed)