Foremost Lithium Resource & Technology Ltd Common stock (FMST) had the highest return in September 2021 by a US stock, returning 3,252%.

ASSET	MONTH	% RETURN
Foremost Lithium Resource & Technology Ltd Common stock (FMST)	September 2021	3,252%
Inventrust Properties (IVT)	September 2021	1,456.72%
Intelligent Protection Management (IPM)	September 2021	207.27%
Blackboxstocks (BLBX)	September 2021	150.84%
Leap Therapeutics (LPTX)	September 2021	134.5%
Corvus Pharmaceuticals (CRVS)	September 2021	115.11%
Diversified Energy (DEC)	September 2021	109.17%
Neonode (NEON)	September 2021	108.04%
Arqit Quantum Inc Warrants (ARQQW)	September 2021	105%
Arqit Quantum (ARQQ)	September 2021	102.52%
Micromobility (MCOM)	September 2021	93.51%
error (ATER)	September 2021	85.7%
Aehr Test Systems (AEHR)	September 2021	82.98%
DatChat (DATS)	September 2021	78.43%
Myseum (MYSE)	September 2021	78.43%
Reservoir Media Management (RSVRW)	September 2021	78.38%
SAB Biotherapeutics (SABSW)	September 2021	76.92%
Comstock Resources (CRK)	September 2021	75.42%
Mega Matrix (MPU)	September 2021	75.02%
Advent Technologies (ADNWW)	September 2021	72.83%
Immunome (IMNM)	September 2021	72.57%
Jasper Therapeutics (JSPRW)	September 2021	70.11%
Innate Pharma (IPHA)	September 2021	67.66%
aTyr Pharma (ATYR)	September 2021	66.3%
Oncology Institute (TOIIW)	September 2021	64.82%