Highcharts.stockChart('container', {

    tooltip: {
        backgroundColor: {
            linearGradient: {
                x1: 0,
                y1: 0,
                x2: 0,
                y2: 1
            },
            stops: [
                [0, 'white'],
                [1, '#EEE']
            ]
        },
        borderColor: 'gray',
        borderWidth: 1
    },

    rangeSelector: {
        selected: 1
    },

    series: [{
        name: 'USD to EUR',
        data: usdeur
    }]
});