best performing mega cap stocks each month of 1988

UnitedHealth (UNH) had the best month in 1988 by a mega-cap US stock in January 1988, returning 32.2%.

ASSET MONTH % RETURN
UnitedHealth (UNH)
January 1988
32.22%
Toyota Motor Corporation ADR (TM)
July 1988
29.45%
Advanced Micro Devices (AMD)
April 1988
29.21%
Advanced Micro Devices (AMD)
February 1988
24.67%
Adobe Systems (ADBE)
September 1988
23.03%
JPMorgan Chase (JPM)
February 1988
19.76%
Novo Nordisk A-S (NVO)
June 1988
18.62%
Home Depot (HD)
February 1988
18.58%
Toyota Motor Corporation ADR (TM)
February 1988
18.54%
Adobe Systems (ADBE)
April 1988
17.65%
JPMorgan Chase (JPM)
May 1988
16.66%
UnitedHealth (UNH)
December 1988
16.16%
Oracle (ORCL)
June 1988
15.37%
Microsoft (MSFT)
June 1988
15.02%
JPMorgan Chase (JPM)
April 1988
14.53%
Bank of America (BAC)
January 1988
13.61%
International Business Machines (IBM)
June 1988
12.72%
Home Depot (HD)
June 1988
12.63%
Wells Fargo (WFC)
June 1988
12.43%
Oracle (ORCL)
February 1988
12.08%
Microsoft (MSFT)
December 1988
12.06%
Costco Wholesale (COST)
February 1988
11.89%
Chevron (CVX)
January 1988
11.84%
Oracle (ORCL)
September 1988
11.78%
Novo Nordisk A-S (NVO)
September 1988
11.69%
Mega-cap stocks are treated as having a market cap of $200B+.