Breakaway Gap Here we see a nice consolidation and finally the buying becomes strong enough to gap the price up. From there we see a nice run. This gap takes a non-trending stock and moves it to a trending stock. As a confirmation of the breakaway gap we want a nice spike in volume.
The island reversal is bit of a rare pattern so when it happens it makes a strong signal to trade on. A gap is created, it moves to sideways trading, and then it gaps in the other direction and continues to trend that direction.
Lets show some examples: