find the monthly rates of return over a 2-year period for five companies of your choice. Now assume you form each month an equally weighted...

1. find the monthly rates of return over a 2-year period for five companies of your choice. Now assume you form each month an equally weighted portfolio of the five firms (i.e., a portfolio with equal investments in each firm).

What is the rate of return each month on your portfolio?

Compare the standard deviation of the monthly portfolio return with that of each firm and with the average standard deviation across the five firms.

What do you conclude about portfolio diversification?

2. 

a.