Innodata (INOD) had the highest return in August 1999 by a US stock, returning 253.7%.

ASSET	MONTH	% RETURN
Innodata (INOD)	August 1999	253.67%
Great Elm (GEG)	August 1999	125%
BioCryst Pharmaceuticals (BCRX)	August 1999	124.49%
NetScout Systems (NTCT)	August 1999	96.88%
Titan Pharmaceuticals (TTNP)	August 1999	70%
Harmonic (HLIT)	August 1999	57.5%
Lifecore Biomedical (LFCR)	August 1999	56.52%
Smith-Midland (SMID)	August 1999	54.98%
Firefly Neuroscience (AIFF)	August 1999	50%
Evolution Petroleum (EPM)	August 1999	50%
Magic Software Enterprises (MGIC)	August 1999	48.61%
Amedisys (AMED)	August 1999	47.61%
VeriSign (VRSN)	August 1999	47.36%
United Therapeutics (UTHR)	August 1999	47.3%
Empire Petroleum (EP)	August 1999	45.78%
Vera Therapeutics (VERA)	August 1999	45%
Daktronics (DAKT)	August 1999	43.22%
Alkermes (ALKS)	August 1999	42.45%
F5 Networks (FFIV)	August 1999	42.39%
Patterson-UTI Energy (PTEN)	August 1999	40.52%
LivaNova (LIVN)	August 1999	40.09%
NVIDIA (NVDA)	August 1999	39.48%
Perma-Pipe International (PPIH)	August 1999	39.39%
CryoCell International (CCEL)	August 1999	37.5%
DRDGOLD Limited ADR (DRD)	August 1999	36.58%