what is the best returning index in december 2018

The Dow Jones Industrial Average (DJI) had the highest return in December 2018 by a major index, returning -9.5%.

ASSET MONTH % RETURN
the Dow Jones Industrial Average (DJI)
December 2018
-9.51%
the S&P 500 (GSPC)
December 2018
-10.16%
the Nasdaq Composite (IXIC)
December 2018
-11.37%