Investors always have to make decisions on the basis of imperfect information.
That reflects a change which has been developing through this year, and thus is only partially related to the muddled U.S. presidential election. We have entered an Age of Uncertainty in global financial markets. The Nasdaq composite is the best barometer of how people feel about the future - it measures raw adrenaline, up or down. As of Thursday's Thanksgiving Day break, it stood at 2,755, down more than 18 percent since the election and more than 32 percent since Jan. 1. The Dow industrial average was off more than 9 percent for the year, too.