Know Labs (KNW) had the highest return between 1997 and 2007 by a US stock, returning 763,220.6%.

ASSET	YEARS	% RETURN
Know Labs (KNW)	1997-2007	763,220.61%
Perspective Therapeutics (CATX)	1997-2007	669,900%
Riley Exploration Permian (REPX)	1997-2007	51,674.71%
Monster Beverage (MNST)	1997-2007	27,038.24%
Frontline (FRO)	1997-2007	26,114.96%
Broadwind Energy (BWEN)	1997-2007	17,060.69%
Companhia Siderurgica Nacional ADR (SID)	1997-2007	15,895.11%
Denison Mines (DNN)	1997-2007	12,129.59%
Smith & Wesson Brands (SWBI)	1997-2007	12,112.01%
Versus Systems Inc. (VS)	1997-2007	10,020%
Cognizant Technology Solutions Corp Class A (CTSH)	1997-2007	8,047.54%
Comtech Telecommunications (CMTL)	1997-2007	6,528.44%
Gerdau SA ADR (GGB)	1997-2007	6,429.37%
Houston American Energy (HUSA)	1997-2007	6,000.38%
BlackBerry (BB)	1997-2007	5,792.44%
Site Centers (SITC)	1997-2007	5,434.74%
BRF SA ADR (BRFS)	1997-2007	5,334.9%
American Eagle Outfitters (AEO)	1997-2007	5,134.35%
Forward Air (FWRD)	1997-2007	4,970.18%
TherapeuticsMD (TXMD)	1997-2007	4,950.01%
Companhia Energetica de Minas Gerais CEMIG Pref ADR (CIG)	1997-2007	4,612.5%
Gildan Activewear (GIL)	1997-2007	4,603.35%
Best Buy (BBY)	1997-2007	4,523.6%
Daktronics (DAKT)	1997-2007	4,315.89%
Team (TISI)	1997-2007	4,235.15%