what is most important is that the retracements never breached the uptrend however in october what appeared to be a retracement became a reversal after the index did finally fall below the uptrend leading to a sharp decline 
image by sabrina jiang investopedia 2021again it is important to remember that a retracement is a minor or short term pullback in the price of a stock or index what is key is that the stock does not breach a critical level of support or resistance nor breach the uptrend or downtrend should the price fall below or rise above support or resistance or violate an uptrend or downtrend then it is no longer considered a retracement but a reversal 