Long Wick (Shadow) Candle: Buyers or sellers tried to push the price further but failed
The inside bar: After a long wick could mean price change
Also engulfing is a reversal signal.
Momentum candle:
Multiple rejections: Good resistance and sign of price rejection and reversal
Shrinking candles: Loss of momentum
3 consecutive candles in the same colour: indicate the start of a new trend.
Big red candle: bearish
Doji: Open and close are similar and we have shadows on both sides. Can be a signal for reversal if the next candle shapes in a different colour from the previous one.
Hammer: bullish
Inverted hammer: bearish