Perspective Therapeutics (CATX) had the highest return between 2005 and 2006 by a US stock, returning 1,633,233.3%.

ASSET	YEARS	% RETURN
Perspective Therapeutics (CATX)	2005-2006	1,633,233.33%
Flotek Industries (FTK)	2005-2006	1,502,578.57%
Opus Genetics (IRD)	2005-2006	539,900%
Alaunos Therapeutics (TCRT)	2005-2006	221,011.11%
Know Labs (KNW)	2005-2006	194,556.49%
Supercom (SPCB)	2005-2006	162,692%
Theriva Biologics (TOVX)	2005-2006	22,900%
Gulf Resources (GURE)	2005-2006	13,400%
Universal Insurance (UVE)	2005-2006	6,648.05%
Broadwind Energy (BWEN)	2005-2006	2,288.1%
US Global Investors (GROW)	2005-2006	1,562.62%
Taoping (TAOP)	2005-2006	1,529.63%
Paltalk (PALT)	2005-2006	1,451.4%
Byrna Technologies (BYRN)	2005-2006	1,140%
McEwen Mining (MUX)	2005-2006	1,131.87%
Hudbay Minerals (HBM)	2005-2006	983.37%
India Globalization Capital (IGC)	2005-2006	981.48%
Denison Mines (DNN)	2005-2006	771.06%
Protalix Biotherapeutics (PLX)	2005-2006	735%
Houston American Energy (HUSA)	2005-2006	651.02%
DXP Enterprises (DXPE)	2005-2006	630%
Tanzanian Royalty Exploration (TRX)	2005-2006	625.61%
Monster Beverage (MNST)	2005-2006	620.59%
Crown Crafts (CRWS)	2005-2006	608.36%
Companhia Energetica de Minas Gerais CEMIG Pref ADR (CIG)	2005-2006	604.82%