what is the best returning index since march 12, 1990

The Nasdaq Composite (IXIC) has had the highest return since March 12, 1990 by a major index, returning 6,146.5%.

ASSET% RETURN
the Nasdaq Composite (IXIC)
6,146.47%
the S&P 500 (GSPC)
2,185.3%
the Dow Jones Industrial Average (DJI)
1,807.22%