Algorhythm (RIME) had the highest return between 1990 and 1994 by a US stock, returning 3,054,467.7%.

ASSET	YEARS	% RETURN
Algorhythm (RIME)	1990-1994	3,054,467.67%
Universal Insurance (UVE)	1990-1994	1,090,600%
Good Times Restaurants (GTIM)	1990-1994	357,042.86%
Heritage Global (HGBL)	1990-1994	102,201.79%
Hallador Energy (HNRG)	1990-1994	13,497.06%
Johnson Controls International (JCI)	1990-1994	5,100%
Suncor Energy (SU)	1990-1994	2,981.65%
Jack Henry & Associates (JKHY)	1990-1994	2,879.53%
Cisco Systems (CSCO)	1990-1994	2,544%
Aegon NV ADR (AEG)	1990-1994	1,799.25%
Best Buy (BBY)	1990-1994	1,399.6%
UnitedHealth (UNH)	1990-1994	1,379.39%
Educational Development (EDUC)	1990-1994	1,322.55%
Micron Technology (MU)	1990-1994	1,061%
Lam Research (LRCX)	1990-1994	940.67%
PTC (PTC)	1990-1994	885.71%
AAON (AAON)	1990-1994	837.1%
Arrow Electronics (ARW)	1990-1994	825.81%
Fair Isaac (FICO)	1990-1994	786.56%
Constellation Brands Inc Class A (STZ)	1990-1994	755.05%
Electronic Arts (EA)	1990-1994	743.96%
Avis Budget (CAR)	1990-1994	731.25%
Brightstar Lottery (BRSL)	1990-1994	719.43%
Microchip Technology (MCHP)	1990-1994	711.55%
Polaris Industries (PII)	1990-1994	685.7%