A low volume pullback is a technical correction toward an area of support that occurs on lower-than-average volume. The low volume is a signal to traders that the trend is not reversing and that it is only the weak longs looking to lock in a quick profit. Frequent moves that occur in the opposite direction of a trend, which are accompanied by low volume, are normal fluctuations and generally deemed to be insignificant. On the other hand, a large spike in volume in the opposite direction of the trend could be used to signal that the smart money is starting to look for the exits and that the trend is getting ready to reverse