SOURCE

var canvas = document.querySelector('#canvas');

var stage = new createjs.Stage(canvas);
var container = new createjs.Container(); 
var container2 = new createjs.Container();

var shape = new createjs.Shape();
shape.graphics.beginFill('red').drawCircle(50, 50, 30);

var shape2 = new createjs.Shape();
shape2.graphics.beginFill('blue').drawCircle(50, 50, 30);

container.addChild(shape);
container2.addChild(shape2);

container.addEventListener('mousedown', function(e) {
  stage.removeAllEventListeners();
  container.addEventListener('pressmove', function(e) {
    container.x = e.stageX;
    console.log('container.x: ' + container.x);
    console.log('stage.x: ' + stage.x);
    stage.update();
  })
})

stage.addEventListener('stagemousedown', function(){
  stage.addEventListener('stagemousemove', function(e) {
    stage.x = e.stageX;
    console.log('stage.x: ' + stage.x);
    stage.update();
  })
})

stage.addEventListener('stagemouseup', function(){
  stage.removeAllEventListeners();
})

stage.addChild(container,container2);
stage.update();

<canvas id="canvas">
</canvas>

canvas {
  background: #ff00ff;
}