For instance, if the market principle trend is down, there will be times when you will see price go up and this is a minor convention in a downtrend market. That price rally is well on the way to end in a traders activity zone when you will see price fall down to follow the principle trend. A comparable however inverse circumstance additionally occurs if the market is in an uptrend. You will see price fall down yet this descending move is frequently brief. When price hits the traders activity zone, it goes up to follow the fundamental trend which is uptrend.