Highcharts - Detach last point

by Ben Clayton

HTML

<script src="https://code.highcharts.com/highcharts.js"></script>
<script src="https://code.highcharts.com/modules/exporting.js"></script>

<div id="container" style="min-width: 310px; height: 400px; margin: 0 auto"></div>

JavaScript

$(function() {
  Highcharts.chart('container', {
        chart: {
            type: 'column',
            backgroundColor: 'rgba(255, 255, 255, 0)',
            height: '200px'
        },
        credits: {
            enabled: false
        },
        title: {
            text: '',
            align: 'left',
            style: {
                fontFamily: 'Open Sans',
                fontSize: '1.5rem',
                color: '#fff'
            }
        },
        subtitle: {
            // text: '15,000 STEPS',
            text: null,
            align: 'right',
            style: {
                fontFamily: 'Open Sans',
                fontSize: '12px',
                color: '#fff'
            }
        },
        xAxis: {
            type: 'category',
            tickLength: 0, //turn off ticks on the bottom line between the values
            labels: {
                style: {
                    fontFamily: 'Open Sans',
                    fontSize: '8px',
                    color: '#fff'
                }
            }
        },
        yAxis: {
            min: 0,
            visible: true,
            tickInterval: 5000,
            labels: {
                formatter: function () {
                    return this.value * 0.001 + 'k';
                },
                style: {
                    fontFamily: 'Open Sans',
                    fontSize: '8px',
                    color: '#fff'
                }
            },
            gridLineDashStyle: 'shortdot',
            gridLineColor: 'rgba(255, 255, 255, 0.25)',
            showFirstLabel: false,   //do not label the 0
            showLastLabel: true,   //do not label the top line
            title: {
                text: null    //y axis label off
            }
        },
        legend: {
            enabled: false
        },
        plotOptions: {
            series: {
                borderWidth: 0,
                borderRadius: 2.5,
                className:...