      Sometimes there is a lag in the time that it takes for a stock toreact to the news in a correlated stock. For example, if there is no pricereaction in CPQ within three to four days, it is time to watch CPQ veryclosely for trading opportunities. Lack of volatility in a historicallyhighly correlated stock is often a telltale sign of an ensuing move.Increased trading volume in a sideways chart pattern is furtherconfirmation of an ensuing price move.