anchor.diff:                marker: {
                   enabled: true,
                   radius: 1
  +              },
  +              point: {
  +                events: {
  +                  mouseOver: function() {
  +                      syncTooltip('speeds_chart', this.x);
  +                    }
  +                }
                 }
               }
             },
  
positive.code:         max_val = typeof range_from !== 'undefined' ? range_from : 100000;
          min_val = typeof range_to !== 'undefined' ? range_to : 0;
  
          var isFirst = true,
              isLast = false;
  
  
negative.code:           tooltip: {
              shared: true,
              crosshairs: true,
            },
            credits: {
              enabled: false
  