Used in technical analysis, a line chart is the simplest form of chart. It is a plain record of a price charted against time, with the changes marked as dots and joined together by a line. (Figure 11.)
► See also Technical Analysis.
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line chart UK US noun [C] (also line graph) GRAPHS & CHARTS
► a drawing that uses lines to show how different pieces of information are related to each other: »
That means they're not inflating their numbers on the line charts.
Financial and business terms. 2012.