best performing mega cap stocks each month of 1988

Applied Materials (AMAT) had the best month in 1988 by a mega-cap US stock in February 1988, returning 41.9%.

ASSETMONTH% RETURN
Applied Materials (AMAT)
February 1988
41.88%
Micron Technology (MU)
February 1988
36.28%
Advanced Micro Devices (AMD)
April 1988
30.68%
Toyota Motor Corporation ADR (TM)
July 1988
29.53%
Lam Research (LRCX)
April 1988
27.69%
UnitedHealth (UNH)
January 1988
27.6%
Costco Wholesale (COST)
February 1988
26.32%
KLA (KLAC)
February 1988
26.2%
Lam Research (LRCX)
December 1988
25.48%
Thermo Fisher Scientific (TMO)
February 1988
23.59%
Micron Technology (MU)
September 1988
23.53%
Advanced Micro Devices (AMD)
February 1988
23.07%
BHP (BHP)
May 1988
21.74%
Applied Materials (AMAT)
June 1988
21.1%
Applied Materials (AMAT)
December 1988
20.27%
Home Depot (HD)
February 1988
18.61%
Bank of America (BAC)
January 1988
18.43%
Thermo Fisher Scientific (TMO)
June 1988
18.03%
Toyota Motor Corporation ADR (TM)
February 1988
17.99%
Oracle (ORCL)
June 1988
17.92%
JPMorgan Chase (JPM)
May 1988
17.26%
JPMorgan Chase (JPM)
February 1988
16.96%
Citigroup (C)
August 1988
16.76%
Citigroup (C)
January 1988
16.67%
UnitedHealth (UNH)
December 1988
16.07%
Mega-cap stocks are treated as having a market cap of $200B+.