Delcath Systems (DCTH) had the highest return in January 2018 by a small-cap US stock or small-cap US stock, returning 43,207.4%.

ASSET	MONTH	% RETURN
Delcath Systems (DCTH)	January 2018	43,207.39%
Quantum Computing (QUBT)	January 2018	650%
Eastman Kodak (KODK)	January 2018	160.66%
Forward Industries (FWDI)	January 2018	100.83%
Iovance Biotherapeutics (IOVA)	January 2018	91.98%
Gyre Therapeutics (GYRE)	January 2018	86.14%
eXp World (EXPI)	January 2018	79.22%
Rocket Pharmaceuticals (RCKT)	January 2018	76.3%
Lightbridge (LTBR)	January 2018	73.55%
BlueLinx (BXC)	January 2018	65.71%
Novavax (NVAX)	January 2018	64.23%
Zevra Therapeutics (ZVRA)	January 2018	54.32%
Enanta Pharmaceuticals (ENTA)	January 2018	54.01%
InnovAge (INNV)	January 2018	51.81%
Larimar Therapeutics (LRMR)	January 2018	47.42%
World Acceptance (WRLD)	January 2018	45.6%
W&T Offshore (WTI)	January 2018	44.47%
American Superconductor (AMSC)	January 2018	40.81%
Vericel Corp Ord (VCEL)	January 2018	38.74%
Santacruz Silver Mining Ltd Common Shares (SCZM)	January 2018	38.57%
Lineage Cell Therapeutics (LCTX)	January 2018	35.35%
POET Technologies (POET)	January 2018	35.29%
Ocugen (OCGN)	January 2018	35.12%
Tanzanian Royalty Exploration (TRX)	January 2018	34.37%
Geron (GERN)	January 2018	33.15%

Small-cap stocks are treated as having a market cap between $300M and $2B.