Mind Medicine (MNMD) had the highest return in March 2020 by a small-cap US stock or small-cap US stock, returning 51.7%.

ASSET	MONTH	% RETURN
Mind Medicine (MNMD)	March 2020	51.72%
Nordic American Tankers (NAT)	March 2020	39.81%
Bit Digital (BTBT)	March 2020	37.5%
DeFi Technologies (DEFT)	March 2020	36%
Cadiz (CDZI)	March 2020	33.83%
Byrna Technologies (BYRN)	March 2020	26.32%
B&G Foods (BGS)	March 2020	25.53%
John B Sanfilippo & Son (JBSS)	March 2020	23.29%
Teladoc (TDOC)	March 2020	22.11%
Natural Grocers by Vitamin Cottage (NGVC)	March 2020	21.57%
NETGEAR (NTGR)	March 2020	20.53%
Nutex Health (NUTX)	March 2020	20.51%
Village Super Market (VLGEA)	March 2020	18.74%
Tsakos Energy Navigation (TEN)	March 2020	18.55%
Syndax Pharmaceuticals (SNDX)	March 2020	16.7%
CytomX Therapeutics (CTMX)	March 2020	15.69%
Seneca Foods Corp A (SENEA)	March 2020	14.57%
Enliven Therapeutics (ELVN)	March 2020	14.5%
Donegal Group B (DGICB)	March 2020	14.43%
Treehouse Foods (THS)	March 2020	14.05%
Value Line (VALU)	March 2020	13.43%
Materialise (MTLS)	March 2020	12.41%
Cogent Communications (CCOI)	March 2020	12.12%
Omeros (OMER)	March 2020	11.14%
Highest Performances (MAAS)	March 2020	11.07%

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