U.S. consumer sentiment ended the year on a high-note, according to one survey of households released on Monday. The Thomson-Reuters/University of Michigan final-December sentiment index held at a reading of 82.5, which was a jump from the final November reading of 75.1, the survey showed. Economists expected the index to be 82.9. The final-December current conditions index rose to 98.6 after the early-month reading surged to 97.9 form 88.0 at the end of November. The expectations index fell to 72.1 from 72.7 in early December.