what is the best returning index since 2012

The Nasdaq Composite (IXIC) has had the highest return since 2012 by a major index, returning 717%.

ASSET % RETURN
the Nasdaq Composite (IXIC)
716.99%
the S&P 500 (GSPC)
413.84%
the Dow Jones Industrial Average (DJI)
267.6%