Error (ZVZZT) had the highest return in September 2023 by a US stock, returning 629%.

ASSET	MONTH	% RETURN
error (ZVZZT)	September 2023	628.96%
Femasys (FEMY)	September 2023	593.02%
Soleno Therapeutics (SLNO)	September 2023	494.96%
X3 (XTKG)	September 2023	457.69%
Farmmi (FAMI)	September 2023	346.85%
SHF (SHFSW)	September 2023	273.46%
Ainos (AIMDW)	September 2023	227.1%
Golden Heaven Group Holdings Ltd Ordinary Shares (GDHG)	September 2023	149.37%
XBP Europe (XBP)	September 2023	136.4%
Theratechnologies (THTX)	September 2023	133.7%
EUDA Health (EUDAW)	September 2023	114.36%
Globus Maritime (GLBS)	September 2023	111.49%
Foxx Development (FOXXW)	September 2023	110.37%
Brand Engagement Network (BNAIW)	September 2023	104.08%
Abpro (ABPWW)	September 2023	95.6%
JIN MEDICAL INTERNATIONAL LTD Ordinary Shares (ZJYL)	September 2023	89.11%
Aclarion (ACONW)	September 2023	87.5%
Applied Therapeutics (APLT)	September 2023	87.22%
SHF (SHFS)	September 2023	86.76%
Shengfeng Development Limited Class A Ordinary Shares (SFWL)	September 2023	83.08%
ADS-TEC ENERGY PLC Warrant (ADSEW)	September 2023	82.71%
Structure Therapeutics Inc American Depositary Shares (GPCR)	September 2023	76.6%
Tango Therapeutics (TNGX)	September 2023	73.77%
Cingulate Inc Warrants (CINGW)	September 2023	73.5%
Ohmyhome Limited Ordinary Shares (OMH)	September 2023	71.6%