      By using the S&P futures. Ticks, and TRIN to anticipate marketmovement, you will be better able to predict the movements of the stocksyou are trading. However, if you are going to use these indicators toassist you in your entry and exit strategies, it is cmcial that you knowwhether the stock you are considering is "with," "against," or "neutral" tothe trend of the overall market. If you do not know the correlation, theseindicators can give contrary and or misleading signals. (The topic ofcorrelation is explained in The Correlation Coefficients, Chapter 14 ofthis book.)2