Spectrum Brands (SPB) had the highest return in January 1998 by a small-cap US stock, returning 51.6%.

ASSET	MONTH	% RETURN
Spectrum Brands (SPB)	January 1998	51.61%
Geron (GERN)	January 1998	50.74%
Monarch Casino & Resort (MCRI)	January 1998	50%
Insperity (NSP)	January 1998	44.52%
Cass Information Systems (CASS)	January 1998	41.41%
Cohu (COHU)	January 1998	40.98%
Digi International (DGII)	January 1998	34.93%
Mercantile Bank (MBWM)	January 1998	30.23%
Forward Industries (FWDI)	January 1998	29.73%
Nu Skin Enterprises (NUS)	January 1998	28.82%
Newtek Business Services (NEWT)	January 1998	27.42%
USANA Health Sciences (USNA)	January 1998	25%
Nektar Therapeutics (NKTR)	January 1998	24.52%
Hovnanian Enterprises (HOV)	January 1998	23.28%
Ethan Allen Interiors (ETD)	January 1998	23.25%
Interface (TILE)	January 1998	21.98%
Kopin (KOPN)	January 1998	21.9%
City (CHCO)	January 1998	21.65%
Daktronics (DAKT)	January 1998	20.23%
Wolverine World Wide (WWW)	January 1998	19.34%
Sonida Senior Living (SNDA)	January 1998	18.56%
Innodata (INOD)	January 1998	17.36%
MGP Ingredients (MGPI)	January 1998	17%
Permian Basin Royalty Trust (PBT)	January 1998	16.87%
Global Industrial (GIC)	January 1998	16.24%

Small-cap stocks are treated as having a market cap between $300M and $2B.