In the world of purely efficient markets, economic actors behave in their own rational self interest by dispassionately weighing the evidence and making optimal decisions on investment matters. In the real world, emotions are often an investor’s worst enemy and ...

Jason Zweig, author of the Wall Street Journal's Intelligent Investor column, wrote an interesting article regarding confirmation bias for today's paper. Confirmation bias refers to the tendency of individuals to seek out information that confirms preconceived opinions or ideas. This ...