An advance of this kind will sometimes run 42 to 49 days or 6 to 7 weeks and in extreme cases may run 3 to 4 months, but around 84 to 90 calendar days it is very important to watch for a change in trend.
An advance of this kind will sometimes run 42 to 49 days or 6 to 7 weeks and in extreme cases may run 3 to 4 months, but around 84 to 90 calendar days it is very important to watch for a change in trend.
在这类上涨中有时会运行42－49天或者6－7周，在极端的情况下会运行3－4个月，但是在84－90个日历日这一段对于观察趋势的改变是非常重要的。