Monthly Major Asset Class Review--January 2013 (Oil, U.S. Stocks lead)

The Capital Spectator does a nice concise job on the first of every month:

...Starting with January 2013 performance data, GMI includes foreign high yield bonds and foreign REITs. Here's an overview of the reasoning behind these additions, along with some of the details for intergrating the two asset classes into GMI and its benchmark brethren.