The Accumulation/Distribution Line (A/D) measures the supply and demand of an asset or security by looking at where price closed in a period range and then multiplying that by volume. An ascending channel is used in technical analysis to show an uptrend in the price of a security. Designed by Wells Wilder for the daily commodity charts, the ADX is now used by technical traders in several markets to gauge the strength of a trend. A breakout is when the price rises above a resistance level or falls below a support level. A bullish abandoned baby is a three-bar pattern following a downtrend. A bullish engulfing pattern is a candlestick pattern that forms when a small black candlestick the next day is followed by a large white candlestick whose body completely overlaps or engulfs the body of the previous day’s candlestick. Bullish Harami is a candlestick indicator used to identify bearish trend reversals. A buy limit order is an order to buy an asset at or below a specified maximum price level. Dark cloud cover is a candlestick pattern that shows a downward shift in momentum after a price rise. The Darvas Box Theory is a technical tool that allows traders to target stocks with increasing trading volume.