Highcharts.chart('container', {

    title: {
        text: 'Tooltip should follow mouse'
    },

    xAxis: {
        categories: ['Jan', 'Feb', 'Mar', 'Apr']
    },

    tooltip: {
        followPointer: true
    },

    series: [{
        data: [3, 2, 5, 4],
        type: 'column'
    }]

});
