Assuming 30 trading days horizon, BioGaia AB is expected to under-perform the The First. In addition to that, BioGaia is 3.75 times more volatile than The First Bancorp Inc.. It trades about -0.23 of its total potential returns per unit of risk. The First Bancorp Inc. is currently generating about -0.07 per unit of volatility. If you would invest 1,460 in The First Bancorp Inc. on April 25, 2012 and sell it today you would lose (46.00) from holding The First Bancorp Inc. or give up 3.15% of portfolio value over 30 days.
Diversification
Average diversification
Overlapping area represents amount of risk that can be diversified away by holding BioGaia AB and The First Bancorp Inc. in the same portfolio (assuming nothing else is changed)