Given investment horizon of 30 days, ChinaBiotics Inc. is expected to under-perform the Cyanotech. In addition to that, ChinaBiotics is 2.39 times more volatile than Cyanotech Corporation. It trades about -0.16 of its total potential returns per unit of risk. Cyanotech Corporation is currently generating about -0.1 per unit of volatility. If you would invest 939 in Cyanotech Corporation on April 25, 2012 and sell it today you would lose (164.00) from holding Cyanotech Corporation or give up 17.47% of portfolio value over 30 days.
Diversification
Very good diversification
Overlapping area represents amount of risk that can be diversified away by holding ChinaBiotics Inc. and Cyanotech Corp. in the same portfolio (assuming nothing else is changed)