what is the most performance mega cap stock between december 20 2001 and december 20 2002

Amazon (AMZN) had the highest return between December 20, 2001 and December 20, 2002 by a mega-cap US stock, returning 107.5%.

ASSETDATE% RETURN
Amazon (AMZN)
12/20/2001 - 12/20/2002
107.47%
UnitedHealth (UNH)
12/20/2001 - 12/20/2002
15.89%
Bank of America (BAC)
12/20/2001 - 12/20/2002
14.78%
Royal Bank of Canada (RY)
12/20/2001 - 12/20/2002
14.64%
Procter & Gamble (PG)
12/20/2001 - 12/20/2002
10.99%
Wells Fargo (WFC)
12/20/2001 - 12/20/2002
9.92%
American Express (AXP)
12/20/2001 - 12/20/2002
9.66%
Toyota Motor Corporation ADR (TM)
12/20/2001 - 12/20/2002
8.13%
Novartis AG ADR (NVS)
12/20/2001 - 12/20/2002
6.14%
Berkshire Hathaway (BRK.B)
12/20/2001 - 12/20/2002
0.34%
Berkshire Hathaway (BRK.A)
12/20/2001 - 12/20/2002
0%
HSBC Holdings PLC ADR (HSBC)
12/20/2001 - 12/20/2002
-1.56%
Merck (MRK)
12/20/2001 - 12/20/2002
-2.52%
Raytheon Technologies (RTX)
12/20/2001 - 12/20/2002
-2.61%
Johnson & Johnson (JNJ)
12/20/2001 - 12/20/2002
-4.52%
Shell PLC ADR (SHEL)
12/20/2001 - 12/20/2002
-4.76%
Exxon Mobil (XOM)
12/20/2001 - 12/20/2002
-5.08%
Coca-Cola (KO)
12/20/2001 - 12/20/2002
-5.18%
Walmart Inc Common Stock (WMT)
12/20/2001 - 12/20/2002
-9.35%
Citigroup (C)
12/20/2001 - 12/20/2002
-10.09%
Caterpillar (CAT)
12/20/2001 - 12/20/2002
-10.23%
Thermo Fisher Scientific (TMO)
12/20/2001 - 12/20/2002
-11.11%
PepsiCo (PEP)
12/20/2001 - 12/20/2002
-15.37%
AstraZeneca PLC ADR (AZN)
12/20/2001 - 12/20/2002
-17.13%
Walt Disney (DIS)
12/20/2001 - 12/20/2002
-19.53%
Mega-cap stocks are treated as having a market cap of $200B+.