Question: The disk that accompanies this book gives 5 years of monthly price data for five U.S. stocks.
• Compute the monthly returns for the stocks.
• Compute the stocks' average monthly returns and standard deviations.
• Compute the variance-covariance matrix for the stock returns.
• Compute the correlation matrix of returns for the stocks.
• Compute the lower-Cholesky matrix for the variance-covariance structure.