what is the best returning index since january 1, 2021

The S&P 500 (GSPC) has had the highest return since January 1, 2021 by a major index, returning 51.1%.

ASSET % RETURN
the S&P 500 (GSPC)
51.06%
the Nasdaq Composite (IXIC)
38.73%
the Dow Jones Industrial Average (DJI)
34.9%