Zivo Bioscience (ZIVO) had the highest return between 1998 and 2003 by a US stock, returning 139,636,263.6%.

ASSET	YEARS	% RETURN
Zivo Bioscience (ZIVO)	1998-2003	139,636,263.64%
InterContinental Hotels Group PLC ADR (IHG)	1998-2003	5,813,300%
Hirequest (HQI)	1998-2003	5,763,450%
Eldorado Gold (EGO)	1998-2003	5,113,366.67%
Live Ventures (LIVE)	1998-2003	4,567,683.48%
Viewbix Inc Common Stock (VBIX)	1998-2003	722,526.91%
Marker Therapeutics (MRKR)	1998-2003	178,185.71%
Inuvo (INUV)	1998-2003	167,172.73%
AngloGold Ashanti (AU)	1998-2003	156,216.59%
ImmunoPrecise Antibodies (HYFT)	1998-2003	122,042.86%
Inseego (INSG)	1998-2003	99,733.33%
Interlink Electronics (LINK)	1998-2003	91,664.71%
Flexible Solutions International (FSI)	1998-2003	81,262.75%
DeFi Technologies (DEFT)	1998-2003	32,900%
Americas Silver (USAS)	1998-2003	13,850.46%
Empire Petroleum (EP)	1998-2003	7,318.78%
Ovintiv (OVV)	1998-2003	5,758.49%
Cognizant Technology Solutions Corp Class A (CTSH)	1998-2003	2,637.87%
Quantum (QMCO)	1998-2003	2,351.12%
Innodata (INOD)	1998-2003	2,125.93%
NVR (NVR)	1998-2003	2,030.29%
SWK (SWKH)	1998-2003	1,954.23%
Companhia Siderurgica Nacional ADR (SID)	1998-2003	1,818.49%
Daktronics (DAKT)	1998-2003	1,816.03%
Perdoceo Education (PRDO)	1998-2003	1,664.37%