InterContinental Hotels Group PLC ADR (IHG) had the highest return between 2002 and 2003 by a US stock, returning 5,929,900%.

ASSET	YEARS	% RETURN
InterContinental Hotels Group PLC ADR (IHG)	2002-2003	5,929,900%
Hirequest (HQI)	2002-2003	5,833,550%
Houston American Energy (HUSA)	2002-2003	188,874.84%
MEDIFAST (MED)	2002-2003	6,310.57%
Encore Capital (ECPG)	2002-2003	5,707.69%
NetEase (NTES)	2002-2003	4,825.76%
USANA Health Sciences (USNA)	2002-2003	4,609.14%
China Yuchai International (CYD)	2002-2003	4,510.83%
TherapeuticsMD (TXMD)	2002-2003	3,650%
Sohu (SOHU)	2002-2003	2,434.75%
LivePerson (LPSN)	2002-2003	1,370.59%
ImmunoPrecise Antibodies (HYFT)	2002-2003	1,325%
Future Fintech (FTFT)	2002-2003	1,200%
Companhia Siderurgica Nacional ADR (SID)	2002-2003	1,161.54%
Sleep Number (SNBR)	2002-2003	1,156.89%
Cheniere Energy (LNG)	2002-2003	1,131.46%
Live Ventures (LIVE)	2002-2003	1,095.84%
Neonode (NEON)	2002-2003	1,071.19%
Ziff Davis (ZD)	2002-2003	968.51%
Cal-Maine Foods (CALM)	2002-2003	933.33%
PetMed Express (PETS)	2002-2003	886.32%
DSS (DSS)	2002-2003	877.78%
Avadel Pharmaceuticals (AVDL)	2002-2003	874.89%
Anika Therapeutics (ANIK)	2002-2003	874%
Stonex (SNEX)	2002-2003	857.91%