On May 6, 2010, the stock market showed crazy turbulence for a few minutes and investigators hypothesize that it was due to a flood of computer-generated trades. First, locate Apple's historical data at finance.yahoo.com. In the search tool, type in AAPL which is Apple's ticker symbol and is traded on NASDAQ. Choose Historical Data and use the Time Period tool to only get data for May 2, 2010, through May 12, 2010. You will need to hit the Apply button then you will be ready to download the data.

Open a new tab labeled BOTH and show graphs showing only the low and closing prices for both companies. You may choose to simply remove the two variables from your two previous graphs.