Mexco Energy (MXC) had the highest return in May 1994 by a US stock, returning 66.7%.

ASSET	MONTH	% RETURN
Mexco Energy (MXC)	May 1994	66.67%
GEE (JOB)	May 1994	62.5%
Arrowhead Pharmaceuticals (ARWR)	May 1994	50%
Lakeland Industries (LAKE)	May 1994	47.83%
Lisata Therapeutics (LSTA)	May 1994	36.36%
Sterling Construction (STRL)	May 1994	36.36%
Skyworks Solutions (SWKS)	May 1994	34.62%
3D Systems (DDD)	May 1994	34.36%
Cooper Companies (COO)	May 1994	33.38%
Core Molding Technologies (CMT)	May 1994	33.33%
TrueBlue (TBI)	May 1994	30.77%
New England Realty Associates (NEN)	May 1994	30.42%
Aviat Networks (AVNW)	May 1994	28.21%
Arrow Financial (AROW)	May 1994	27.69%
Ultralife (ULBI)	May 1994	27.27%
Full House Resorts (FLL)	May 1994	26.83%
Universal Electronics (UEIC)	May 1994	26.53%
Westwater Resources (WWR)	May 1994	25.93%
Hain Celestial (HAIN)	May 1994	25.81%
Biglari (BH)	May 1994	25.71%
Paramount Skydance Corporation Class B Common Stock (PSKY)	May 1994	25.68%
McKesson (MCK)	May 1994	25.59%
American Shared Hospital Service (AMS)	May 1994	24.99%
Grupo Simec SAB de CV ADR (SIM)	May 1994	23.46%
Hologic (HOLX)	May 1994	22.39%