datalabel inside column-1

HTML

<script src="http://highcharts.com/js/testing.js"></script>
<div id="container" style="height: 400px"></div>

JavaScript

var chart = new Highcharts.Chart({
    chart: {
        renderTo: 'container',
        defaultSeriesType: 'column'
    },
    xAxis: {
        categories: ['Product A', 'Product B', 'Product C', 'Product D'] 
    },

    plotOptions: {
        series: {
            stacking: 'normal',
            dataLabels: {
                 enabled: true,
                color: 'black'
            }
        }
    },

    series: [
      {
        data: [44.0, -176.0, 150.6, 248.5]}]
});