Perspective Therapeutics (CATX) had the highest return between 2002 and 2012 by a US stock, returning 259,900%.

ASSET	YEARS	% RETURN
Perspective Therapeutics (CATX)	2002-2012	259,900%
Aris Mining (ARMN)	2002-2012	52,540.04%
Know Labs (KNW)	2002-2012	34,251.15%
NetEase (NTES)	2002-2012	22,554.3%
VirnetX (VHC)	2002-2012	21,044.13%
Monster Beverage (MNST)	2002-2012	19,824.66%
Companhia Energetica de Minas Gerais CEMIG Pref ADR (CIG)	2002-2012	18,448.39%
Encore Capital (ECPG)	2002-2012	11,676.92%
MEDIFAST (MED)	2002-2012	11,374.44%
Pioneer Power Solutions (PPSI)	2002-2012	11,111.15%
DXP Enterprises (DXPE)	2002-2012	8,821.82%
NewMarket (NEU)	2002-2012	6,952.65%
Intellinetics (INLX)	2002-2012	6,899.99%
Companhia Siderurgica Nacional ADR (SID)	2002-2012	6,379.26%
Bancolombia SA ADR (CIB)	2002-2012	6,231.88%
BRF SA ADR (BRFS)	2002-2012	5,740.35%
Gulf Resources (GURE)	2002-2012	5,700%
USANA Health Sciences (USNA)	2002-2012	4,967.71%
Apple (AAPL)	2002-2012	4,769.02%
Middleby (MIDD)	2002-2012	4,676.12%
Insteel Industries (IIIN)	2002-2012	4,429.76%
Cocrystal Pharma (COCP)	2002-2012	4,233.33%
Banco Bradesco SA ADR (BBD)	2002-2012	4,143.48%
Southern Copper (SCCO)	2002-2012	3,957.81%
Sohu (SOHU)	2002-2012	3,911.86%