what were largest weight in hasdaw index on dec 31 1999

The Dow Jones Industrial Average (DJI) had the highest return on December 31, 1999 by a major index, returning 0.4%.

ASSETDATE% RETURN
the Dow Jones Industrial Average (DJI)
12/31/1999
0.38%
the S&P 500 (GSPC)
12/31/1999
0.33%
the Nasdaq Composite (IXIC)
12/31/1999
0.3%