FinancialViz Category: Trend
Use an index line graph to compare trends in different data series using a common starting point
Use a line graph instead of a column graph to show both the trend and comparisons to previous values.
Use an index line graph instead of a dual axis chart to compare trends in different data series.
Use a line graph instead of a clustered column graph to show trends
A line graph is easier to see trends in multiple data series than a stacked column graph