Investor Therapy: A Psychologist and Investing Guru Tells You how to Out-Psych Wall Street

If your investing strategy has relied on the facts—financial statements, annual reports, technical charts, and so on—congratulations! You’re on the way to becoming a successful, complete investor.

But you’re only partway there. If the markets are about mood swings, turbulence, and uncertainty, if the herd buys like crazy one day, only to sell off the next, doesn’t it make sense for you to have a grip on the way in which your individual psychological makeup and emotional state affect your in...