The plus sign (+) means "ADD" in programming and on calculator keyboards. For example, 10 + 7 means 10 added to 7. It is also used as a concatenation symbol for text fields. For example ...

Doji candlesticks can look like a cross, an inverted cross, or a plus sign. Although rare, a doji candlestick, especially if it appears in clusters, generally signals a trend reversal indication ...