Phunware (PHUN) had the highest return in January 2019 by a US stock, returning 1,988.4%.

ASSET	MONTH	% RETURN
Phunware (PHUN)	January 2019	1,988.36%
Aura Minerals Inc Common Shares (AUGO)	January 2019	935.08%
Quipt Home Medical (QIPT)	January 2019	862.5%
Americas Silver (USAS)	January 2019	570.45%
Microbot Medical (MBOT)	January 2019	453.33%
Iveda Solutions (IVDA)	January 2019	361.54%
CBAK Energy Technology (CBAT)	January 2019	268.75%
Insight Molecular Diagnostics (IMDX)	January 2019	246.32%
GEE (JOB)	January 2019	206.25%
Axsome Therapeutics (AXSM)	January 2019	198.58%
CLPS (CLPS)	January 2019	197.28%
Eledon Pharmaceuticals (ELDN)	January 2019	175.64%
NovaBay Pharmaceuticals (NBY)	January 2019	164.79%
Celldex Therapeutics (CLDX)	January 2019	155%
Avalon GloboCare (ALBT)	January 2019	154.93%
Rezolute (RZLT)	January 2019	140%
Flotek Industries (FTK)	January 2019	139.25%
Ocugen (OCGN)	January 2019	133.18%
Boxlight Corp Class A (BOXL)	January 2019	126.4%
Fortress Biotech (FBIO)	January 2019	125%
Venus Concept (VERO)	January 2019	114.21%
Fubotv (FUBO)	January 2019	109.59%
Scynexis (SCYX)	January 2019	104.82%
BIO-Key International (BKYI)	January 2019	102.6%
Foremost Lithium Resource & Technology Ltd Common stock (FMST)	January 2019	97.76%