Assuming 30 trading days horizon, TRF Ltd. is expected to under-perform the GMR INDUSTRI. But the stock apears to be less risky and, when comparing its historical volatility, TRF Ltd. is 1.85 times less risky than GMR INDUSTRI. The stock trades about -0.2 of its potential returns per unit of risk. The GMR INDUSTRIES INR10 is currently generating about -0.04 of returns per unit of risk over similar time horizon. If you would invest 6,425 in GMR INDUSTRIES INR10 on April 26, 2012 and sell it today you would lose (135.00) from holding GMR INDUSTRIES INR10 or give up 2.1% of portfolio value over 30 days.
Diversification
Modest diversification
Overlapping area represents amount of risk that can be diversified away by holding TRF Ltd. and GMR INDUSTRIES INR10 in the same portfolio (assuming nothing else is changed)