best performance mega stock each month 1991

Advanced Micro Devices (AMD) had the best month in 1991 by a mega-cap US stock in January 1991, returning 45%.

ASSETMONTH% RETURN
Advanced Micro Devices (AMD)
January 1991
45%
Advanced Micro Devices (AMD)
October 1991
41.66%
Applied Materials (AMAT)
January 1991
37.19%
Lam Research (LRCX)
October 1991
37.12%
Cisco Systems (CSCO)
December 1991
35.2%
Applied Materials (AMAT)
December 1991
34.31%
Lam Research (LRCX)
January 1991
31.44%
Microsoft (MSFT)
January 1991
31.28%
Advanced Micro Devices (AMD)
March 1991
31.25%
UnitedHealth (UNH)
March 1991
30.83%
Cisco Systems (CSCO)
January 1991
30.62%
Apple (AAPL)
January 1991
29.8%
Micron Technology (MU)
February 1991
27.84%
Cisco Systems (CSCO)
July 1991
25.64%
Advanced Micro Devices (AMD)
December 1991
25%
Wells Fargo (WFC)
December 1991
24.25%
JPMorgan Chase (JPM)
April 1991
24.24%
UnitedHealth (UNH)
December 1991
24.16%
Cisco Systems (CSCO)
April 1991
23.91%
Micron Technology (MU)
January 1991
23.75%
Oracle (ORCL)
August 1991
23.26%
Bank of America (BAC)
January 1991
22.28%
Walmart Inc Common Stock (WMT)
December 1991
22.13%
Citigroup (C)
December 1991
22.09%
UnitedHealth (UNH)
October 1991
21.33%
Mega-cap stocks are treated as having a market cap of $200B+.