what is the best returning index in 1975

The Dow Jones Industrial Average (DJI) had the highest return in 1975 by a major index, returning 41.3%.

ASSET YEAR % RETURN
the Dow Jones Industrial Average (DJI)
1975
41.3%
the S&P 500 (GSPC)
1975
28.42%
the Nasdaq Composite (IXIC)
1975
27.87%