You may be asking yourself, “If I can already use bar charts to view prices, then why do I need another type of chart?”
The answer to this question may not seem obvious, but after going through the following candlestick chart explanations and examples, you will surely see value in the different perspective candlesticks bring to the table. In my opinion, they are much more visually appealing, and convey the price information in a quicker, easier manner. Candlestick chart is a combination of a line-chart and a bar-chart, in that each bar represents the range of price movement over a given time interval. It is most often used in technical analysis of equity and currency price patterns.
You can read rest of the article at Japanese Candlesticks.