Cemtrex (CETX) had the highest return between 2003 and 2008 by a US stock, returning 814,885,119.8%.

ASSET	YEARS	% RETURN
Cemtrex (CETX)	2003-2008	814,885,119.82%
InterContinental Hotels Group PLC ADR (IHG)	2003-2008	5,519,600%
QVC (QVCGA)	2003-2008	1,617,809.26%
India Globalization Capital (IGC)	2003-2008	1,616,566.67%
National Grid PLC ADR (NGG)	2003-2008	1,082,643.75%
Natwest (NWG)	2003-2008	953,400%
Northern Oil & Gas (NOG)	2003-2008	838,607.69%
Hirequest (HQI)	2003-2008	623,633.33%
Know Labs (KNW)	2003-2008	534,224.43%
Ring Energy (REI)	2003-2008	146,566.67%
OPTIMIZERx (OPRX)	2003-2008	124,100%
Ocean Power Technologies (OPTT)	2003-2008	74,233.33%
Perspective Therapeutics (CATX)	2003-2008	66,566.67%
Future Fintech (FTFT)	2003-2008	12,400%
NanoViricides (NNVC)	2003-2008	11,240%
Gyre Therapeutics (GYRE)	2003-2008	7,448.45%
TherapeuticsMD (TXMD)	2003-2008	7,439.95%
Champions Oncology (CSBR)	2003-2008	7,100%
Universal Insurance (UVE)	2003-2008	6,273.37%
Monster Beverage (MNST)	2003-2008	6,264.92%
Cryoport (CYRX)	2003-2008	5,997.3%
Gulf Resources (GURE)	2003-2008	5,900%
Broadwind Energy (BWEN)	2003-2008	5,300.22%
VirnetX Holding Corp Common Stock (VHC)	2003-2008	4,833.57%
Ageagle Aerial Systems (UAVS)	2003-2008	3,900%