Ovintiv (OVV) had the highest return between 1997 and 2007 by a US stock, returning 224,799,700%.

ASSET	YEARS	% RETURN
Ovintiv (OVV)	1997-2007	224,799,700%
QVC (QVCGA)	1997-2007	9,894,038.89%
National Grid PLC ADR (NGG)	1997-2007	972,350%
Know Labs (KNW)	1997-2007	763,220.61%
Houston American Energy (HUSA)	1997-2007	762,273.18%
Perspective Therapeutics (CATX)	1997-2007	669,900%
Inuvo (INUV)	1997-2007	337,677.78%
Ring Energy (REI)	1997-2007	263,900%
Ocean Power Technologies (OPTT)	1997-2007	180,233.33%
India Globalization Capital (IGC)	1997-2007	108,957.3%
Riley Exploration Permian (REPX)	1997-2007	51,674.71%
MAG Silver (MAG)	1997-2007	28,247.07%
Monster Beverage (MNST)	1997-2007	27,038.24%
Site Centers (SITC)	1997-2007	25,680.77%
Northern Oil & Gas (NOG)	1997-2007	25,173.12%
Flexible Solutions International (FSI)	1997-2007	22,864.71%
First Majestic Silver (AG)	1997-2007	20,313.78%
Broadwind Energy (BWEN)	1997-2007	17,060.69%
Companhia Siderurgica Nacional ADR (SID)	1997-2007	15,895.11%
Canadian Pacific Railway (CP)	1997-2007	13,978.79%
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	8,047.02%
Comtech Telecommunications (CMTL)	1997-2007	6,528.44%