17. A point & figure chart differs from a bar chart as a. a new plot on a point and figure chart is made only when the price changes by b. time intervals are clearly shown in a point and figure chart c. point and figure char d. a new plot on a bar chart is made only when the price changes by a givern a given amount rts are only concerned with measuring price momentum 18. As the price unit of a reversal on a point and figure chart is decreased a. time analysis becomes more critical for interpretation b, the detail of price movement graphically displayed is decreased c, the detail of price movement graphically displayed is increased d. the possibility of whipsaws decreases e. none of the above