var price = [
    [1369412100000, 10],
    [1369671300000, 15],
    [1369671300000, 20],
    [1369844100000, 5]
];

Highcharts.stockChart('container', {
    chart: {
        zoomType: 'x'
    },
    title: {
        text: 'In Highcharts Stock <= 1.3.9, comparing against an empty series would fail'
    },
    series: [{
        type: 'line',
        name: 'Price',
        data: price,
        compare: 'value'
    }, {
        type: 'line',
        name: 'test',
        data: [],
        compare: 'value'
    }]
});
