In this exercise you will need to download monthly historical data of SP500 index and stocks from Yahoo! Finance, located at http://finance.yahoo.com. To find a company’s historical trading information, enter the desired stock symbol and request a basic quote. Once you have the basic quote, click on “Historical Data” and you’ll see the trading prices. Choose “1Y” for time period and “monthly” for frequency. Then click on “Apply” and the data are ready to download.
Please go over the attached document for the full instructions and details.