14. We discussed a study concerning stocks being added to the S&P500 Index. The study found that: A) Additions (deletions) to the S&P500 Index tend to increase (decrease) a companys stock price. B) Additions and deletions to the S&P500 Index tend to result in no change to a company stock price. C) Additions (deletions) to the S&P500 Index tend to decrease (increase) a companys stock price. D) Additions to the S&P500 Index tend to decrease a companys stock price.