Assuming 30 trading days horizon, OnMobile Global Ltd. is expected to under-perform the TRF Ltd. In addition to that, OnMobile is 1.05 times more volatile than TRF Ltd.. It trades about -0.29 of its total potential returns per unit of risk. TRF Ltd. is currently generating about -0.2 per unit of volatility. If you would invest 29,400 in TRF Ltd. on April 26, 2012 and sell it today you would lose (1,760) from holding TRF Ltd. or give up 5.99% of portfolio value over 30 days.
Diversification
Good diversification
Overlapping area represents amount of risk that can be diversified away by holding OnMobile Global Ltd. and TRF Ltd. in the same portfolio (assuming nothing else is changed)