Split the chart when the values are very large & very small
When the chart has a lot of small values and a few very large values, we can't see the trend of the small values clearly.
Often ,we solve these kind of problems by splitting the charts.
refer to: http://highslide.com/forum/viewtopic.php?f=9&t=13387
15
votes

This can be achieved with axis breaks (http://api.highcharts.com/highcharts/yAxis.breaks) introduced in 4.1.0