21. A black real body in candle charting means that a. the close is higher than the open b. the close is lower than the open c. the open is higher than the low d. the current session's close is lower than the prior session's close e. none of the above 22. A trendline is helpful in determining . overbought or oversold market conditions when a price reversal has taken place the cyclical interval between bull and bear markets a probable price target for the extent of the price move one of the above