Index Returns - Morningstar Index Performance: Return (%) ... Morningstar Stock Indexes. Broad Market. US Market, TR, 10-24-14, 4.15, 7.19, -1.48, -0.96, 13.20, 18.61, 15.39. Style ... USTREAS T-Bill Cnst Mat Rate 10, TR, 09-30-14, ---, 6.59, -1.29, 0.70, 3.67, 0.32, 3.87.