1. Low Volume Pull Back 2. High Volume Breakout (HVB) 3. Shake Out
There is a temporary decline in a stock's price on lower-than-average volume within an overall uptrend, indicating selling pressure is weak. In additonal, the stock breakout the resistance with high volume suggesting strong buying interest and likely continuation of the upward trend.
In additional, there is a price breaks below a support level near 10 and 20 MA but quickly reverses back above it - shake out of weak hands