title: Sliced Line on column chart in highcharts
body: <p>How Can I draw a graph like this(highlighted area) using highcharts?
  <a href="https://i.stack.imgur.com/LwD0H.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/LwD0H.jpg" alt="Line on each column"></a></p>