It is a bullish candle which indicates that the bulls either after a short gap are back in game or their hold on a particular stock has further strengthened.

Similar to white marubozu candle, the only difference is that long white candles will compulsorily have wicks on both ends.

Another factor which decides which candle is classified as a long candle is its relative price performance for the last ten sessions.

Appearance of a long candle should make a trader bring that stock on top of the screen for a possible long trade, if other oscillators confirm the breakout which long candle is indicating.