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Why Is The Stock Market Like A Random Walk
First of all, what is a random walk? The classic description of a random walk is the scenario of a drunk man who starts off at a lamp post. Over time, as the drunk starts walking, his veering in random directions make him drift away from the lamp post. This scenario is also known as the drunkard’s walk. The idea illustrated here is that each time the drunk takes a step, he moves in a completely random direction from before.
