--- old/modules/javafx.controls/src/main/java/javafx/scene/chart/StackedAreaChart.java	2016-08-29 17:11:40.158768000 +0300
+++ new/modules/javafx.controls/src/main/java/javafx/scene/chart/StackedAreaChart.java	2016-08-29 17:11:39.882752200 +0300
@@ -690,7 +690,7 @@
                     if (symbol != null) {
                         final double w = symbol.prefWidth(-1);
                         final double h = symbol.prefHeight(-1);
-                        symbol.resizeRelocate(point.displayX-(w/2), point.displayY-(h/2),w,h);
+                        symbol.resizeRelocate(snapPositionX(point.displayX)-(w/2), snapPositionY(point.displayY)-(h/2),w,h);
                     }
                 }
             }