Getting HighStock javascript chart to show the latest tooltip on load - javascript

I'm using the javascript chart from highcharts.com called HighStock for one of my online solutions and the client asked me if there is any way of getting it to show the tooltip for the latest data-point when the graph has been loaded.
I have searched high and low on google, here on stackoverflow and also created a topic about this on their support forum a week ago (no replies yet, though), but I can't really find anything about it. Of course, I have tried to find a solution for this myself, but without any luck.
So, if there anyone out there, that knows how to achieve this? If it is possible at all? :-)
Thanks a lot in advance.
Now with fiddler link: http://jsfiddle.net/L2TFd/ This is basically just one of the examples from highsoft themselves since I can't access my webservices from other domains :-)
This is the tooltip of the last point I want to show when graph is done loading:

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