dataLabels: {
enabled: true,
style: {
fontSize: '12px',
fontWeight: 'bold'
}
}
tooltip: {
enabled: true,
intersect: true,
y: {
formatter: function (value) {
return value + ' units';
}
},
marker: {
show: false
},
title: {
formatter: function (seriesName) {
return seriesName;
}
},
x: {
show: false
}
}