Cemtrex (CETX) had the highest return between 2003 and 2009 by a US stock, returning 2,702,702,602.4%.

ASSET	YEARS	% RETURN
Cemtrex (CETX)	2003-2009	2,702,702,602.4%
InterContinental Hotels Group PLC ADR (IHG)	2003-2009	9,928,700%
QVC (QVCGA)	2003-2009	5,621,098.15%
Northern Oil & Gas (NOG)	2003-2009	3,819,246.15%
India Globalization Capital (IGC)	2003-2009	2,299,900%
National Grid PLC ADR (NGG)	2003-2009	1,234,075%
Know Labs (KNW)	2003-2009	1,068,548.85%
Hirequest (HQI)	2003-2009	623,633.33%
Natwest (NWG)	2003-2009	590,100%
Perspective Therapeutics (CATX)	2003-2009	296,566.67%
Ring Energy (REI)	2003-2009	133,233.33%
Ocean Power Technologies (OPTT)	2003-2009	100,011.11%
Gulf Resources (GURE)	2003-2009	58,200%
OPTIMIZERx (OPRX)	2003-2009	56,000%
Gyre Therapeutics (GYRE)	2003-2009	44,215.31%
Metalla Royalty & Streaming (MTA)	2003-2009	21,970.83%
Future Fintech (FTFT)	2003-2009	20,500%
TherapeuticsMD (TXMD)	2003-2009	19,503.88%
Universal Insurance (UVE)	2003-2009	17,173.37%
NanoViricides (NNVC)	2003-2009	11,800%
VirnetX Holding Corp Common Stock (VHC)	2003-2009	9,700.48%
Broadwind Energy (BWEN)	2003-2009	9,608.39%
Dawson Geophysical (DWSN)	2003-2009	7,494.59%
Monster Beverage (MNST)	2003-2009	7,189.29%
International Tower Hill Mines (THM)	2003-2009	6,344.5%