When prices break above a resistance line from a laterally trading zone. If these new highs fail to hold and prices pull back under the "broken" resistance line, it is an upthrust. The target is for a retest of the lower end of the recent trading zone.
A situation that occurs when prices break above resistance, but soon reverse course and break back below resistance. Also referred to as a failed (bullish) signal and is considered bearish. Generally, the reversal should occur within 1-3 days of the resistance breakout for the failed signal to be considered valid. This is the opposite of a spring.
The price movement that carries prices through and above observed resistance areas. If these new price levels do not hold and prices pull back under the breached resistance level, it is called an upthrust. It now becomes a bearish signal.