+-x÷, +用來計人工; -用來計成本 ; x用來計增長/衰退; ÷用來計資金/風險管理
2014年7月20日 星期日
sp500 target
although it is not my market for trading, reference to it sometimes is useful especially during the time or big reversal could happen... the later range is about 1.618 of the former range in same direction... what can be more conclusive than this?
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