The purpose of this assignment is to get you started on the final project. It encompasses the first few steps of the final project: Using finance.yahoo.com download $10$ years of monthly price data for $3$ stocks into Excel. You may pick any three stocks you like, however stocks that are in different industries will give you the best graphical results. Calculate the monthly returns for each stock. Calculate the variance$/$standard deviation for each individual stock. You should

calculate one stock using the long method that we did in class. For the other two stocks you can use the Excel built in functions. Calculate the covariance between each asset. You should calculate one covariance

using the long method that we did in class. For the other two, you can use the Excel built in function. Set up the Variance$/$Covariance matrix and vectors for the weights and returns. Set up the calculations for portfolio return and standard deviation

Answer these questions for Disney, NVIDIA, and Berkshire Hathaway