With the explosion of online investing tools there are many betas being reported by different organizations. Using your stock XOM - Exxon Mobil Corporation, look up the betas reported by 3 companies:

1. Yahoo Finance (finance.yahoo.com), under key statistics

2.Google (google.com/finance) and

3. CNN Money (money.cnn.com)

Report all 3 back here by saying which one came from which Beta search tool.Why do you think they are different?Explain your reasoning- is it the Beta search, the company or anything else?

(Note:For the Beta discussion many of you may not be able to find the beta for your company using the CNN Money website.