The IntercontinentalExchange really, really wants the Liffe. Oh yea, and the New York Stock Exchange, too. Sure. But it’s really, really worried that those damned antitrust bureaucrats are going to screw them, as they are wont to do.
The more frequently you monitor your portfolio, the more likely you are to observe a loss.
This is likely to cause short-sighted decisions and could hurt your investment performance.
If you are checking your portfolio more than once per quarter, you’re doing it too much.
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Dan Egan, Betterment Director of Behavioral Finance and Investing