Himax Technologies (HIMX) had the highest return in December 2021 by a US stock with a market cap of $1B+, returning 58.2%.

ASSET	MONTH	% RETURN
Himax Technologies (HIMX)	December 2021	58.16%
Radware (RDWR)	December 2021	42.36%
Photronics (PLAB)	December 2021	40.36%
Xeris Pharmaceuticals (XERS)	December 2021	39.52%
Verona Pharma PLC ADR (VRNA)	December 2021	39.13%
Hagerty (HGTY)	December 2021	38.88%
Silicon Motion Technology (SIMO)	December 2021	36.19%
LENZ Therapeutics (LENZ)	December 2021	35.92%
Syndax Pharmaceuticals (SNDX)	December 2021	35.04%
Arhaus (ARHS)	December 2021	34.11%
Roivant Sciences (ROIV)	December 2021	34.04%
Advantage Solutions (ADVWW)	December 2021	32.8%
Arlo Technologies (ARLO)	December 2021	32.62%
Applied Digital (APLD)	December 2021	32.18%
Bellring Brands LLC (BRBR)	December 2021	31.47%
TG Therapeutics (TGTX)	December 2021	30.58%
Jackson Financial (JXN)	December 2021	30.27%
China Yuchai International (CYD)	December 2021	28.18%
Embraer SA ADR (ERJ)	December 2021	28.07%
Alpha Metallurgical Resources (AMR)	December 2021	27.8%
Limbach (LMB)	December 2021	27.66%
Laureate Education (LAUR)	December 2021	26.53%
Regencell Bioscience (RGC)	December 2021	26.14%
Ciena (CIEN)	December 2021	25.85%
Fortress Transp & Infra Inv (FTAI)	December 2021	25.79%