Mega Code Archive
Change the stroke of the vertical line to 2 (the default value is 1) and the color of all the lines to black
import mx.collections.ArrayCollection;
[Bindable]
private var goog:ArrayCollection = new ArrayCollection( [
{date:"1/1/2009",open:42.57,high:43.08,low:42.08,close:42.75},
]);