Q: Toggling 2nd pane data within a Multiple Series Highcharts Chart I wanted to know if anyone has had success with creating a multiple series Highcharts (Highstock) chart with a second pane, that allows the user the click on a series in the 1st pane to toggle the data displayed in the second pane. An example would be:
Equity curve of both 'goog' and 'aapl' displayed in 1st pane of multi-series chart.  Volume for only 'goog' is displayed below in 2nd pane.  If the equity curve of 'aapl' is selected in 1st pane, the 2nd pane would toggle to 'aapl' volume.
Thanks so much!

A: I prepared a demo which should be a good guideline how to implement a function which will hide/show series in the other chart by clicking on the series in the main chart. 
function hideSeries(current) {
  let series = chart1.series.find(s => s.name === current.name);

  if (series.visible) {
    series.hide();
  } else {
    series.show();
  }
}

Demo
Is that what you had in mind?
