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Wedge – A wedge is a chart pattern in which the range reduces over a period of time. In an ascending wedge, the highs reduce, and in a descending wedge, lows reduce.

Whipsaw – A volatile market or currency whereby prices move quickly and drastically in one direction and then in the opposite direction is a condition referred to as a whipsaw.

Wholesale Price Index (WPI) – WPI measures changes in the prices of goods before they reach a retailer and are sold to consumers. WPI is an indicator of economic growth and inflation.