From Dow Jones & Company:

Small-cap stocks are on track for their best December in history, with the Russell 2000 soaring 13.7% so far this month. This is the largest margin between small-cap and large-cap stocks since February 2000, with the small-cap gauge outpacing the large-cap S&P 500 by 8.8%. Despite the December rally, the Russell 2000 still lags larger indexes for the year, with gains of 16.7% compared to 24.8% for the S&P 500. On Thursday, the Russell 2000 was down 0.5%, while the S&P 500 was up around 0.1%. The Nasdaq Composite was up less than 0.1%.



Read more: Russell 2000 on pace for best December ever, best month vs. S&P 500 in 24 years