cross point of two major concept, China and natural resource/mining. Soros's biggest holding. Buy whenever touching moving average lines.
(this was posted on 07-08-24, a Friday, http://web.wenxuecity.com/BBSView.php?SubID=backhome&MsgID=140727, the next Monday morning ACH was up 10 points... so markt was very kind to give a chance to look like a guru...)