Protagenic Therapeutics (PTIX) had the lowest return on July 16, 2013 by a US stock, returning -41.7%.

ASSET	DATE	% RETURN
Protagenic Therapeutics (PTIX)	7/16/2013	-41.67%
22nd Century (XXII)	7/16/2013	-20%
Flexible Solutions International (FSI)	7/16/2013	-17.46%
Astrana Health (ASTH)	7/16/2013	-14.75%
Beasley Broadcast (BBGI)	7/16/2013	-14.72%
Tesla (TSLA)	7/16/2013	-13.64%
Aethlon Medical (AEMD)	7/16/2013	-12.31%
Addus HomeCare (ADUS)	7/16/2013	-11.87%
Sunshine Biopharma (SBFM)	7/16/2013	-11.82%
BTCS (BTCS)	7/16/2013	-11.76%
Anixa Biosciences (ANIX)	7/16/2013	-11.25%
Anika Therapeutics (ANIK)	7/16/2013	-10.86%
PTC Therapeutics (PTCT)	7/16/2013	-10.43%
Ridgetech (RDGT)	7/16/2013	-10.34%
SIGA Technologies (SIGA)	7/16/2013	-9.84%
Tenax Therapeutics (TENX)	7/16/2013	-9.55%
Energy Focu (EFOI)	7/16/2013	-8.89%
VerifyMe (VRME)	7/16/2013	-8.21%
Urban One (UONE)	7/16/2013	-7.95%
PharmaCyte Biotech (PMCB)	7/16/2013	-7.69%
XTL Biopharmaceuticals Ltd ADR (XTLB)	7/16/2013	-7.44%
Aehr Test Systems (AEHR)	7/16/2013	-7.32%
AudioEye (AEYE)	7/16/2013	-7.27%
Xtant Medical (XTNT)	7/16/2013	-7.22%
Houston American Energy (HUSA)	7/16/2013	-7.14%