Candlestick charts are staple of stock market pros. They have been used widely since the 19th century when they were developed in Japan. Steve Nison is credited with bringing these charts to the West. Financial investors use from all walks of life use them to trade stocks, futures, commodities, currencies and so on. Read any financial newspaper or visit a financial website and you are likely to see candlestick charts put to use to display daily, weekly or monthly variation in price. Reading and understanding Candlestick charts takes some time, but with the proper training and understanding you can put them to good use to decipher complex patterns and make buy-sell decisions.