One of those plug the gap type trade. Big dump back to a previous support area, but big volume led recovery.
Speculative play, but might be worth a look for those who like this kind of trade. Watch for the break above support, but keep your stops handy.
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Hadn't looked at this one for a long time, but can see it did eventually move up mid September for what could have been a 50% gain or so. I wasn't on the trade sadly but since then it has sold off and hasn't recovered.