Penetrating pattern: It is a bottom reversal signal. In the downward trend, a long black candle line appeared, the market jumped down the next day, but the closing was a strong white candle line, and the closing price Beyond the midpoint of the previous black candle line entity.
Candlestick Reversal Pattern—Piercing Pattern-Yuhui International.

The Japanese believe that it is more prudent to distinguish the bottom signals, and they have further classified this similar form. Divided into three, to enter the line, cut the line, insert the line. It is regarded as a bearish signal, but if two consecutive insertion patterns appear, then such a situation is also a bullish signal, a bullish signal.