Know Labs (KNW) had the highest return between 2003 and 2009 by a US stock, returning 1,068,548.9%.

ASSET	YEARS	% RETURN
Know Labs (KNW)	2003-2009	1,068,548.85%
Danaos (DAC)	2003-2009	811,095.38%
Perspective Therapeutics (CATX)	2003-2009	296,566.67%
Ring Energy (REI)	2003-2009	133,233.33%
Gulf Resources (GURE)	2003-2009	58,200%
Northern Oil & Gas (NOG)	2003-2009	42,955.19%
India Globalization Capital (IGC)	2003-2009	25,408.32%
Frontline (FRO)	2003-2009	24,994.16%
Future Fintech (FTFT)	2003-2009	20,500%
TherapeuticsMD (TXMD)	2003-2009	19,503.88%
Universal Insurance (UVE)	2003-2009	17,171.18%
MAG Silver (MAG)	2003-2009	11,318.95%
VirnetX (VHC)	2003-2009	9,700.48%
Broadwind Energy (BWEN)	2003-2009	9,608.39%
Dawson Geophysical (DWSN)	2003-2009	7,491.91%
Monster Beverage (MNST)	2003-2009	7,189.29%
International Tower Hill Mines (THM)	2003-2009	6,344.5%
Companhia Energetica de Minas Gerais CEMIG Pref ADR (CIG)	2003-2009	6,116.39%
BRF SA ADR (BRFS)	2003-2009	6,070.87%
Companhia Siderurgica Nacional ADR (SID)	2003-2009	5,348.69%
Champions Oncology (CSBR)	2003-2009	5,233.33%
Banco Bradesco SA ADR (BBD)	2003-2009	4,578.53%
Oramed Pharmaceuticals (ORMP)	2003-2009	3,631.86%
Insteel Industries (IIIN)	2003-2009	3,031.57%
BlackBerry (BB)	2003-2009	2,976.99%