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Definition Of Random-walk Hypothesis:

random-walk hypothesis The hypothesis that states that past stock prices are of no value in forecasting future prices because past, current, and future prices merely reflect market responses to information that comes into the market at random.
In short, price movements are no more predictable than the pattern of the walk of a drunk. This controversial hypothesis implies that technical analysis is useless in its attempts to predict future price movements in the market.

Other Definition Of Investment Terms:

Random Walk Theory
Range
Rate Anticipation Swap
Rate Base
Rate Covenant
Rate Of Return

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