Candlestick is very useful for technical analysis.
Open,High,Low and Close details can be seen by looking at the candle stick pattern.
Candle Stick patterns:
Bullish Reversal:
bearish Engulfing
Hanging man
Dark Cloud cover
Bearish Reversal:
Bullish Engulfing
Hammer
Morning star
Piercing line
Neutral:
Doji