Universal Insurance (UVE) had the highest return between 1990 and 1994 by a US stock, returning 1,104,200%.

ASSET	YEARS	% RETURN
Universal Insurance (UVE)	1990-1994	1,104,200%
Suncor Energy (SU)	1990-1994	2,950.21%
Jack Henry & Associates (JKHY)	1990-1994	2,879.74%
Cisco Systems (CSCO)	1990-1994	2,423.91%
Aegon NV ADR (AEG)	1990-1994	1,799.38%
Best Buy (BBY)	1990-1994	1,462.43%
National HealthCare (NHC)	1990-1994	1,459.41%
UnitedHealth (UNH)	1990-1994	1,379.54%
Educational Development (EDUC)	1990-1994	1,322.55%
Micron Technology (MU)	1990-1994	1,017.53%
Lam Research (LRCX)	1990-1994	940.57%
PTC (PTC)	1990-1994	885.71%
International Game Technology (IGT)	1990-1994	863.05%
AAON (AAON)	1990-1994	835.76%
Arrow Electronics (ARW)	1990-1994	825.81%
Fair Isaac (FICO)	1990-1994	786.56%
Electronic Arts (EA)	1990-1994	780.01%
Constellation Brands Inc Class A (STZ)	1990-1994	755.06%
Microchip Technology (MCHP)	1990-1994	731.69%
Avis Budget (CAR)	1990-1994	731.25%
Brightstar Lottery (BRSL)	1990-1994	719.15%
Credit Acceptance (CACC)	1990-1994	660.73%
Polaris Industries (PII)	1990-1994	653.98%
Bio-Techne (TECH)	1990-1994	645.82%
Amgen (AMGN)	1990-1994	618.82%