Wash sale Purchase and sale of a security either simultaneously or within a short period of time, often in order to recognize a tax loss without altering one's position . Watered stock A stock representing ownership in a corporation that is worth less than the actual invested capital , resulting in problems of low liquidity , inadequate return on investment , and low market value . Weak dollar A depreciated dollar with respect to other currencies, meaning that more dollars are needed to buy a unit of foreign currency . Antithesis of strong dollar . A pricing theory that the price of a security reflects the past price and trading history of the security.
Theory implies that security prices follow a random walk.
A market with few buyers and many sellers and a declining trend in prices. Wedge A chart pattern composed of two converging lines connecting peaks and troughs. In the case of falling wedges, the pattern indicates temporary interruptions of upward price rallies . In the case of rising wedges, indicates interruptions of a falling price trend . The common recurrent low or negative average return from Friday to Monday in the stock market .