Piercing Line
It is explained as a powerful two candle reverse pattern. In a downtrend, the initial candle is described as long candle that is followed by the long candle. In it the bull candle is opened in a lower part than the low of the bear but gets closed more than the halfway over the mid of the body of the bear candle. This is also described as a cautionary sign for the sellers as the reversal to an upside portion might very soon take place.