If you want to criticize technical analysis, which attempts to forecast the market by seeing patterns in the random movements of stock prices, you ought to have a thick skin. Every time I bring up the subject FORBES winds up with a stream of letters arguing that I should be put out to pasture. All investment professionals, no matter whether they believe in technical analysis or not, are always looking at the future. And since they lack supernatural powers, they can make some embarrassingly bad calls.
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