what is the worst returning index since 2010

The Dow Jones Industrial Average (DJI) has had the lowest return since 2010 by a major index, returning 374.7%.

ASSET% RETURN
the Dow Jones Industrial Average (DJI)
374.69%
the S&P 500 (GSPC)
516.42%
the Nasdaq Composite (IXIC)
898.28%