1, Candlestick charts provide a quick visual picture of the relationship between opening and closing prices and their relative strengths or weaknesses, especially for extended periods. The body, which looks like a candle, represents the difference between opening and closing prices. Shadows, which look like wicks, represent price action above and below the body.
2, A form of Japanese charting that has become popular in the West. A narrow line shows the day’s price range. A wider body marks the area between the open and the close. If the close is above the open, the body is green or blue; if the close is below the open, the body is red.