AngloGold Ashanti (AU) had the highest return between 1998 and 2003 by a US stock, returning 18,198,850%.

ASSET	YEARS	% RETURN
AngloGold Ashanti (AU)	1998-2003	18,198,850%
Booking (BKNG)	1998-2003	5,870,500%
Hirequest (HQI)	1998-2003	5,793,250%
Houston American Energy (HUSA)	1998-2003	182,369.65%
Inuvo (INUV)	1998-2003	167,172.73%
ImmunoPrecise Antibodies (HYFT)	1998-2003	122,042.86%
Interlink Electronics (LINK)	1998-2003	109,373.68%
Inseego (INSG)	1998-2003	99,733.33%
Flexible Solutions International (FSI)	1998-2003	81,262.75%
DeFi Technologies (DEFT)	1998-2003	32,900%
Gladstone Capital (GLAD)	1998-2003	9,820.56%
Americas Silver (USAS)	1998-2003	8,347.37%
Empire Petroleum (EP)	1998-2003	7,318.78%
Smith & Wesson Brands (SWBI)	1998-2003	3,479.38%
Xcel Brands (XELB)	1998-2003	3,400%
Cognizant Technology Solutions Corp Class A (CTSH)	1998-2003	2,638.39%
Quantum (QMCO)	1998-2003	2,500.89%
Innodata (INOD)	1998-2003	2,125.93%
NVR (NVR)	1998-2003	2,030.29%
Companhia Siderurgica Nacional ADR (SID)	1998-2003	1,818.49%
Daktronics (DAKT)	1998-2003	1,816.03%
Perdoceo Education (PRDO)	1998-2003	1,664.39%
China Yuchai International (CYD)	1998-2003	1,617.26%
American Vanguard (AVD)	1998-2003	1,428.37%
Comtech Telecommunications (CMTL)	1998-2003	1,380.59%