best large cap monthly increases 1970-1990

AngloGold Ashanti (AU) had the best month between 1970 and 1990 by a large-cap US stock in February 1990, returning 250%.

ASSET MONTH % RETURN
AngloGold Ashanti (AU)
February 1990
250%
Suncor Energy (SU)
May 1982
244.58%
BHP (BHP)
March 1984
200.28%
AngloGold Ashanti (AU)
January 1988
200%
Hormel Foods (HRL)
January 1985
146.46%
Aegon NV ADR (AEG)
May 1988
134.67%
Aegon NV ADR (AEG)
May 1990
118.1%
Pinnacle West Capital (PNW)
December 1989
111.9%
Hormel Foods (HRL)
July 1985
109.94%
Hormel Foods (HRL)
April 1985
105.91%
Shell PLC ADR (SHEL)
January 1989
105.15%
Nike (NKE)
March 1987
96.77%
Unilever PLC ADR (UL)
April 1985
92.24%
Loews (L)
August 1985
88.51%
Micron Technology (MU)
November 1985
86.85%
Nike (NKE)
August 1986
84.68%
Waste Management (WM)
June 1990
83.99%
Kinross Gold (KGC)
September 1982
81.82%
Western Digital (WDC)
January 1983
78.95%
Lockheed Martin (LMT)
May 1975
77.62%
Monster Beverage (MNST)
March 1990
76.99%
Teva Pharma Industries Ltd ADR (TEVA)
July 1985
74.93%
Royal Gold (RGLD)
January 1987
73.91%
Micron Technology (MU)
December 1987
73.54%
Nike (NKE)
May 1986
72.5%
Large-cap stocks are treated as having a market cap of $10B+.