Doji close after a tall white candle can be what?
Tallest area becomes a potential resistance area. Possible bullish breakout area or resistance area.
Doji in a box range is not good.
Dojo is of no use in a range area only after a rise or drop as a possible resistance area or support area
Single candle isn't much use
The overall technical picture is much more important than one candle.
Candles are good for what
Candles are good for showing early turning signals. Then you use the overall technical picture for price targets and determine the best risk/reward and if the trade is a possible good trade