Question: Hello, I have been struggling with the problem for a while now. Can someone please assist? I cannot find the data online much less calculate

Hello, I have been struggling with the problem for a while now. Can someone please assist? I cannot find the data online much less calculate the standard deviation.

1. Go to finance.yahoo.com and find them 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 five firms (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 to that of each and to the average standard devation across the five firms. What do you conclude about the portfolio diversification?

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