Gildan Activewear (GIL) had the lowest return between 1996 and 1999 by a US stock, returning -100%.

ASSET	YEARS	% RETURN
Gildan Activewear (GIL)	1996-1999	-100%
Companhia Paranaense de Energia Pref ADR (ELP)	1996-1999	-100%
Community West Bancshares (CWBC)	1996-1999	-100%
Bar Harbor Bankshares (BHB)	1996-1999	-100%
Sonic Automotive (SAH)	1996-1999	-100%
Gray Television (GTN)	1996-1999	-100%
Avient (AVNT)	1996-1999	-100%
Coda Octopus (CODA)	1996-1999	-99.82%
Mega Matrix (MPU)	1996-1999	-99.5%
Caledonia Mining (CMCL)	1996-1999	-99.43%
Natural Health Trend (NHTC)	1996-1999	-99.22%
China Natural Resources (CHNR)	1996-1999	-98.66%
Evolution Petroleum (EPM)	1996-1999	-98.37%
Westwater Resources (WWR)	1996-1999	-97.54%
Cemtrex (CETX)	1996-1999	-97.47%
Odyssey Marine Exploration (OMEX)	1996-1999	-96.87%
Amarin (AMRN)	1996-1999	-94.86%
Vista Gold (VGZ)	1996-1999	-94.44%
Gentherm (THRM)	1996-1999	-94.29%
ALT5 Sigma (ALTS)	1996-1999	-93.92%
LifeMD (LFMD)	1996-1999	-93.87%
New Concept Energy (GBR)	1996-1999	-93.13%
BioLife Solutions (BLFS)	1996-1999	-93.11%
Greif Bros (GEF)	1996-1999	-92.57%
Paysign (PAYS)	1996-1999	-91.67%