The doji is a special type of candlestick pattern that can signal a changing market. We can use this pattern to try to understand the sentiment and to recognize times when the market strength is switching between buyers and sellers.
A bullish breakaway is a chart reversal pattern that can appear in either a bullish or bearish market. In cases it can also be profitable to trade it on the sell side, as a contrarian trade.
The three black crows is a bearish sign that an uptrend has reversed or is in the process of reversing. It appears in trend tops as well as in bear rallies.