Forward Air (FWRD) had the highest return in September 1998 by a US stock, returning 152%.

ASSET	MONTH	% RETURN
Forward Air (FWRD)	September 1998	152.05%
Onto Innovation (ONTO)	September 1998	80.65%
DRDGOLD Limited ADR (DRD)	September 1998	80%
Coeur Mining (CDE)	September 1998	74.63%
Tat Techno (TATT)	September 1998	71.44%
Newmont Goldcorp (NEM)	September 1998	68.69%
NOV (NOV)	September 1998	62.3%
Gulf Island Fabrication (GIFI)	September 1998	60%
Acacia Research (ACTG)	September 1998	59.99%
Kinross Gold (KGC)	September 1998	58.06%
Capstone Holding Corp Common Stock (CAPS)	September 1998	57.5%
Myriad Genetics (MYGN)	September 1998	57.5%
Consumer Portfolio Services (CPSS)	September 1998	56.76%
Sharplink Gaming (SBET)	September 1998	56.25%
Power Integrations (POWI)	September 1998	56.11%
Safehold (SAFE)	September 1998	54.48%
AngloGold Ashanti (AU)	September 1998	53.57%
Oceaneering International (OII)	September 1998	53.02%
Patterson-UTI Energy (PTEN)	September 1998	52.52%
Centrais Elétricas Brasileiras SA - Eletrobrás (EBR.B)	September 1998	52.41%
Penn National Gaming (PENN)	September 1998	52.33%
Gold Fields Ltd ADR (GFI)	September 1998	51.79%
Ionis Pharmaceuticals (IONS)	September 1998	50.41%
Smith Micro Software (SMSI)	September 1998	50%
Lineage Cell Therapeutics (LCTX)	September 1998	50%