Perspective Therapeutics (CATX) had the highest return between 2005 and 2007 by a US stock, returning 669,900%.

ASSET	YEARS	% RETURN
Perspective Therapeutics (CATX)	2005-2007	669,900%
Gulf Resources (GURE)	2005-2007	55,900%
Know Labs (KNW)	2005-2007	18,983.97%
Universal Insurance (UVE)	2005-2007	18,492.21%
Broadwind Energy (BWEN)	2005-2007	17,060.69%
Theriva Biologics (TOVX)	2005-2007	6,729.25%
Ageagle Aerial Systems (UAVS)	2005-2007	5,233.33%
Champions Oncology (CSBR)	2005-2007	2,886.67%
Taoping (TAOP)	2005-2007	2,418.52%
VirnetX (VHC)	2005-2007	1,860.02%
Kandi Technologies (KNDI)	2005-2007	1,720%
Flotek Industries (FTK)	2005-2007	1,596%
Byrna Technologies (BYRN)	2005-2007	1,300%
Riot Blockchain (RIOT)	2005-2007	1,201.49%
Digital Turbine (APPS)	2005-2007	1,150%
Hudbay Minerals (HBM)	2005-2007	1,034.26%
CervoMed (CRVO)	2005-2007	1,025%
India Globalization Capital (IGC)	2005-2007	992.59%
First Solar (FSLR)	2005-2007	990.37%
Companhia Energetica de Minas Gerais CEMIG Pref ADR (CIG)	2005-2007	975.07%
Banco Bradesco SA ADR (BBD)	2005-2007	961.99%
Giga Media (GIGM)	2005-2007	913.51%
RCI Hospitality (RICK)	2005-2007	886.08%
DXP Enterprises (DXPE)	2005-2007	872.5%
RadNet (RDNT)	2005-2007	857.55%