I have a simple column chart that I update via AJAX, and all is working fine except I cannot change the actual title of the chart when I\'m updating the data.
I\'ve
You can use setTitle(titleObj, subTitleObj) for that.
setTitle(titleObj, subTitleObj)
chart.setTitle({text: "New Title"});
See an example: jsfiddle
See the API Ref.