Imperial Petroleum (IMPP) had the highest return in December 2021 by a US stock with a market cap of $50M+, returning 435%.

ASSET	MONTH	% RETURN
Imperial Petroleum (IMPP)	December 2021	435%
Ucloudlink (UCL)	December 2021	154.44%
Energy Services Of America (ESOA)	December 2021	119.99%
Dogness International Corp Class A (DOGZ)	December 2021	96.5%
Foghorn Therapeutics (FHTX)	December 2021	91.38%
Next Technology (NXTT)	December 2021	91.34%
Vasta Platform (VSTA)	December 2021	86.34%
Pop Culture (CPOP)	December 2021	79.53%
Mega Matrix (MPU)	December 2021	64.01%
Adicet Bio (ACET)	December 2021	63.61%
Himax Technologies (HIMX)	December 2021	58.16%
Serina Therapeutics (SER)	December 2021	55.72%
Barfresh Food (BRFH)	December 2021	55.32%
A2Z Smart Technologies (AZ)	December 2021	54.94%
Titan International (TWI)	December 2021	53.5%
Nutriband (NTRB)	December 2021	52.73%
Flotek Industries (FTK)	December 2021	52.7%
DLH (DLHC)	December 2021	52.35%
Assertio Therapeutics (ASRT)	December 2021	51.39%
Consumer Portfolio Services (CPSS)	December 2021	50.76%
Oncology Institute (TOI)	December 2021	50.23%
Genfit (GNFT)	December 2021	50.15%
Airsculpt Technologies (AIRS)	December 2021	48.45%
Microbot Medical (MBOT)	December 2021	45.63%
Radware (RDWR)	December 2021	42.36%