Heritage Global (HGBL) had the highest return between 1990 and 1993 by a US stock, returning 13,646.8%.

ASSET	YEARS	% RETURN
Heritage Global (HGBL)	1990-1993	13,646.8%
Jack Henry & Associates (JKHY)	1990-1993	3,342.97%
Suncor Energy (SU)	1990-1993	2,868.47%
Cisco Systems (CSCO)	1990-1993	2,221.67%
Brightstar Lottery (BRSL)	1990-1993	1,426.15%
Aegon NV ADR (AEG)	1990-1993	1,326.5%
Electronic Arts (EA)	1990-1993	1,271.48%
UnitedHealth (UNH)	1990-1993	1,155.89%
Best Buy (BBY)	1990-1993	1,062.43%
PTC (PTC)	1990-1993	1,007.15%
Arrow Electronics (ARW)	1990-1993	977.42%
Destination XL (DXLG)	1990-1993	842.18%
Lam Research (LRCX)	1990-1993	807.78%
Avis Budget (CAR)	1990-1993	800.01%
Cato (CATO)	1990-1993	740.12%
Bio-Techne (TECH)	1990-1993	700.42%
Inter Parfums (IPAR)	1990-1993	678.38%
SkyWest (SKYW)	1990-1993	662.59%
Magna International (MGA)	1990-1993	619.03%
Southwest Airlines (LUV)	1990-1993	610.33%
Constellation Brands Inc Class A (STZ)	1990-1993	608.8%
Coca-Cola Consolidated (COKE)	1990-1993	608.71%
Dentsply Sirona (XRAY)	1990-1993	604.02%
Digi International (DGII)	1990-1993	575.94%
Waste Management (WM)	1990-1993	574.08%