American Resources Corp Class A (AREC) had the highest return in September 2018 by a US stock, returning 421.6%.

ASSET	MONTH	% RETURN
American Resources Corp Class A (AREC)	September 2018	421.64%
Amarin (AMRN)	September 2018	397.55%
India Globalization Capital (IGC)	September 2018	324.34%
Reliance Global (RELI)	September 2018	321.88%
Oragenics (OGEN)	September 2018	170.46%
ProQR Therapeutics (PRQR)	September 2018	151.3%
Quantum BioPharma (QNTM)	September 2018	147.77%
CleanSpark (CLSK)	September 2018	136%
Grace Therapeutics (GRCE)	September 2018	134.55%
Quantum Computing (QUBT)	September 2018	130%
Processa Pharmaceuticals (PCSA)	September 2018	117.5%
Biocardia (BCDA)	September 2018	114.47%
Tilray (TLRY)	September 2018	106.2%
Matinas BioPharma (MTNB)	September 2018	104.44%
Netcapital (NCPL)	September 2018	100%
Champions Oncology (CSBR)	September 2018	96.73%
Liquidia Technologies (LQDA)	September 2018	76.97%
Atlas Lithium Corporation Common Stock (ATLX)	September 2018	72.73%
Platinum Group Metals (PLG)	September 2018	71.09%
Better Choice (BTTR)	September 2018	66.05%
Eyepoint Pharmaceuticals (EYPT)	September 2018	61.54%
Aldeyra (ALDX)	September 2018	61.4%
Red Cat (RCAT)	September 2018	60%
Optical Cable (OCC)	September 2018	59.87%
AGM Group Holdings Inc Class A (AGMH)	September 2018	58.79%