what is the best returning index since 1999

The Nasdaq Composite (IXIC) has had the highest return since 1999 by a major index, returning 943.8%.

ASSET % RETURN
the Nasdaq Composite (IXIC)
943.85%
the S&P 500 (GSPC)
449.43%
the Dow Jones Industrial Average (DJI)
407.57%