| http://www.w3.org/ns/prov#value | - Malkiel, whose ???A Random Walk Down Wall Street??? advocates buying and holding broad index funds as a practical interpretation of the efficient market hypothesis, says there???s one big catch.???The market is not a perfect random walk,??? Malkiel said in a phone interview. ???From time to time there is a bit of momentum in the stock market and when people use technical analysis usually what they
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