best performance mega stock between january 1990 and may 1991

UnitedHealth (UNH) had the highest return between January 1, 1990 and May 31, 1991 by a mega-cap US stock, returning 301.1%.

ASSETDATE% RETURN
UnitedHealth (UNH)
1/1/1990 - 5/31/1991
301.05%
Cisco Systems (CSCO)
1/1/1990 - 5/31/1991
203.54%
Home Depot (HD)
1/1/1990 - 5/31/1991
169.97%
Microsoft (MSFT)
1/1/1990 - 5/31/1991
147.33%
Walmart Inc Common Stock (WMT)
1/1/1990 - 5/31/1991
92.82%
Micron Technology (MU)
1/1/1990 - 5/31/1991
72.73%
Lam Research (LRCX)
1/1/1990 - 5/31/1991
65.12%
Advanced Micro Devices (AMD)
1/1/1990 - 5/31/1991
63.63%
Johnson & Johnson (JNJ)
1/1/1990 - 5/31/1991
58.89%
Merck (MRK)
1/1/1990 - 5/31/1991
58.71%
Abbott Laboratories (ABT)
1/1/1990 - 5/31/1991
55.4%
Coca-Cola (KO)
1/1/1990 - 5/31/1991
51.79%
PepsiCo (PEP)
1/1/1990 - 5/31/1991
49.58%
Wells Fargo (WFC)
1/1/1990 - 5/31/1991
37.57%
Apple (AAPL)
1/1/1990 - 5/31/1991
35.59%
Novo Nordisk A-S (NVO)
1/1/1990 - 5/31/1991
35.42%
Thermo Fisher Scientific (TMO)
1/1/1990 - 5/31/1991
29.8%
Procter & Gamble (PG)
1/1/1990 - 5/31/1991
26.11%
GE Aerospace (GE)
1/1/1990 - 5/31/1991
25.19%
Eli Lilly and (LLY)
1/1/1990 - 5/31/1991
20.64%
International Business Machines (IBM)
1/1/1990 - 5/31/1991
19.8%
Costco Wholesale (COST)
1/1/1990 - 5/31/1991
19.36%
Exxon Mobil (XOM)
1/1/1990 - 5/31/1991
18.99%
Chevron (CVX)
1/1/1990 - 5/31/1991
16.9%
Shell PLC ADR (SHEL)
1/1/1990 - 5/31/1991
15.39%
Mega-cap stocks are treated as having a market cap of $200B+.