J.P. Morgan released its fourth-quarter "Guide to the Markets," its quarterly overview of global capital markets across asset classes. The firm's analysis of interest rate sensitivity across various fixed-income investments highlights the difficulty the asset class has experienced through the first three quarters of 2013. The yield on 10-year Treasuries has risen as much as 137 basis points from early May, since falling 40 basis points. Barclays U.S. Aggregate index was down 1.89% through the first three quarters of the year.