Helport AI Limited Ordinary Shares (HPAI) had the highest return in January 2015 by a US stock, returning 900%.

ASSET	MONTH	% RETURN
Helport AI Limited Ordinary Shares (HPAI)	January 2015	900%
Castellum (CTM)	January 2015	233.33%
Ryvyl (RVYL)	January 2015	170.92%
Empire Petroleum (EP)	January 2015	170%
Semler Scientific (SMLR)	January 2015	127.01%
Rave Restaurant (RAVE)	January 2015	81.6%
Alaunos Therapeutics (TCRT)	January 2015	75.49%
Capricor Therapeutics (CAPR)	January 2015	73.33%
Precipio (PRPO)	January 2015	72.35%
Arbutus Biopharma (ABUS)	January 2015	67.39%
Vuzix Corp Cmn Stk (VUZI)	January 2015	66.27%
TechPrecision Corporation Common stock (TPCS)	January 2015	63.49%
Arcturus Therapeutics (ARCT)	January 2015	63.23%
Harmony Gold Mining (HMY)	January 2015	63.15%
Smith Micro Software (SMSI)	January 2015	62.24%
Inseego (INSG)	January 2015	61.47%
CorMedix (CRMD)	January 2015	60.62%
Aldeyra (ALDX)	January 2015	58.17%
Inventrust Properties (IVT)	January 2015	57.5%
Aytu BioScience (AYTU)	January 2015	56.25%
BTCS (BTCS)	January 2015	54.32%
Gulf Resources (GURE)	January 2015	51.72%
Sibanye Gold Ltd ADR (SBSW)	January 2015	51.56%
Cardiff Oncology (CRDF)	January 2015	50.12%
Intellinetics (INLX)	January 2015	50%