As we sit down this week to give thanks, investors face a cornucopia of blessings. Federal Reserve Chairman Ben Bernanke and other economists have proclaimed the end of the worst recession since the Great Depression. The gross domestic product grew 2.8% in the third quarter. For the stock market, this year seems destined to enter the record books. From its low on March 9, the Dow Jones Industrial Average has soared just under 60%. Almost every asset class has gained, some dramatically. Gold has been hitting new records, commodity prices have surged, and the residential real estate market has shown renewed signs of life....