Byrna Technologies (BYRN) had the highest return in October 2023 by a US stock with a market cap of $500M+, returning 94.2%.

ASSET	MONTH	% RETURN
Byrna Technologies (BYRN)	October 2023	94.22%
Mobilicom Limited Warrants (MOBBW)	October 2023	85.64%
Immunitybio (IBRX)	October 2023	84.71%
Scholar Rock (SRRK)	October 2023	66.81%
LiveWire (LVWR)	October 2023	54.69%
Structure Therapeutics Inc American Depositary Shares (GPCR)	October 2023	46.17%
Spirit Aerosystems (SPR)	October 2023	40.63%
American Bitcoin (ABTC)	October 2023	38.5%
New Gold (NGD)	October 2023	35.56%
AMC Entertainment (AMC)	October 2023	32.51%
Tourmaline Bio (TRML)	October 2023	30.26%
Agilysys (AGYS)	October 2023	30.08%
Sky Harbour (SKYH)	October 2023	28.73%
Cipher Mining (CIFR)	October 2023	28.57%
IDT (IDT)	October 2023	27.04%
Harmony Gold Mining (HMY)	October 2023	26.89%
QuinStreet (QNST)	October 2023	26.65%
ECARX Holdings Inc Class A Ordinary shares (ECX)	October 2023	26.2%
Apellis Pharmaceuticals (APLS)	October 2023	25.57%
MediaAlpha (MAX)	October 2023	24.46%
Eldorado Gold (EGO)	October 2023	23.83%
NioCorp Developments Ltd Common Stock (NB)	October 2023	23.76%
Gold Fields Ltd ADR (GFI)	October 2023	23.65%
Foot Locker (FL)	October 2023	23.33%
NCR Atleos (NATL)	October 2023	22.56%