Biocardia (BCDA) had the highest return in July 1999 by a US stock, returning 350%.

ASSET	MONTH	% RETURN
Biocardia (BCDA)	July 1999	350%
Enveric Biosciences (ENVB)	July 1999	148.15%
Microbot Medical (MBOT)	July 1999	116%
Clarus (CLAR)	July 1999	112.34%
Enzo Biochem (ENZ)	July 1999	98.74%
Repro Med Systems (KRMD)	July 1999	97.5%
Newtek Business Services (NEWT)	July 1999	83.33%
Comtech Telecommunications (CMTL)	July 1999	76.47%
Issuer Direct (ISDR)	July 1999	75%
MEDIFAST (MED)	July 1999	70.01%
Century Aluminum (CENX)	July 1999	61.54%
Euro Tech (CLWT)	July 1999	55.54%
Amkor Technology (AMKR)	July 1999	52.8%
Trio-Tech International (TRT)	July 1999	52%
Neo-Concept International Group Holdings Limited Ordinary Shares (NCI)	July 1999	51.12%
Micron Technology (MU)	July 1999	50.77%
United Therapeutics (UTHR)	July 1999	49.49%
Fuel Tech (FTEK)	July 1999	48.48%
Gilead Sciences (GILD)	July 1999	48.33%
Old Market Capital (OMCC)	July 1999	46.67%
SigmaTron International (SGMA)	July 1999	45.71%
Harmonic (HLIT)	July 1999	45.54%
Pro-Dex (PDEX)	July 1999	45.45%
BK Technologies (BKTI)	July 1999	44.32%
Intrusion (INTZ)	July 1999	43.75%