best performing index in may 2019

The S&P 500 (GSPC) had the highest return in May 2019 by a major index, returning -6.8%.

ASSET MONTH % RETURN
the S&P 500 (GSPC)
May 2019
-6.78%
the Dow Jones Industrial Average (DJI)
May 2019
-6.85%
the Nasdaq Composite (IXIC)
May 2019
-8.36%