These are two demos that show how we can use chart cursor's cursormoved event to trigger hover effects on multiple series' bullets.
Changing appearance of bullets
This will make bullets grow larger on the category currently hovered by chart cursor.
See the Pen
Triggering bullet hover with cursor by amCharts team (@amcharts)
on CodePen.0
Showing on hover only
In this demo, the bullets will be hidden except on the currently hovered category/date.
See the Pen
Triggering bullet hover with cursor by amCharts team (@amcharts)
on CodePen.0