title: Highcharts: how to change line color when hovering a scatterplot series
body: <p>I have a Highcharts scatterplot. Some details of the chart object are below:</p>
  
  <pre><code>plotOptions: {
  scatter: {
      lineWidth:1,
      marker: {
          radius: 1,
          symbol:'circle',
          fillColor: '#800000',
          states: {
              hover: {
                  enabled: true,
                  radius:0,
                  radiusPlus:2,
                  lineColor: '#ff0000',
                  fillColor: '#ff0000'
              }
          }
      },
      states: {
          hover: {
              halo:false,
              lineWidthPlus:2,
          }
      }
  }
  }
  </code></pre>
  
  <p>and the full working example is <a href="http://jsfiddle.net/1wfotmoa/1/" rel="nofollow">here</a>.
  I need to change the line color when hovering the series, but I am unable to do it. Is this possible? </p>