Integra Resources (ITRG) had the highest return between 2019 and 2020 by a US stock, returning 979,900%.

ASSET	YEARS	% RETURN
Integra Resources (ITRG)	2019-2020	979,900%
Fubotv (FUBO)	2019-2020	15,719.21%
Oxbridge Re Holdings Equity Warrant (OXBRW)	2019-2020	9,700%
Nuvve (NVVEW)	2019-2020	5,366.67%
FitLife Brands, Inc Common Stock (FTLF)	2019-2020	5,300%
Golden Matrix (GMGI)	2019-2020	4,493.33%
Sobr Safe (SOBR)	2019-2020	3,931.6%
Enphase Energy (ENPH)	2019-2020	3,689.85%
Workhorse (WKHS)	2019-2020	3,370.18%
Graf Industrial Corp Warrants (each warrant exercisable for one-half of one share of common stock each at an exercise price of $1150 per share) (GRAF.WT)	2019-2020	3,121.34%
Digital Turbine (APPS)	2019-2020	2,957.3%
Axsome Therapeutics (AXSM)	2019-2020	2,799.29%
Plug Power (PLUG)	2019-2020	2,634.68%
Blink Charging (BLNK)	2019-2020	2,288.27%
Kaival Brands Innovations (KAVL)	2019-2020	2,163.16%
Nisun International Enterprise Development (NISN)	2019-2020	2,068.12%
Fusion Fuel Green (HTOOW)	2019-2020	2,045.16%
Kodiak Sciences (KOD)	2019-2020	1,980.88%
Retractable Technologies (RVP)	2019-2020	1,720.34%
GrowGeneration (GRWG)	2019-2020	1,699.55%
Sea (SE)	2019-2020	1,690.02%
Orion Energy Systems (OESX)	2019-2020	1,662.5%
374Water Inc Common Stock (SCWO)	2019-2020	1,580%
Fulgent Genetics (FLGT)	2019-2020	1,543.53%
CBAK Energy Technology (CBAT)	2019-2020	1,481.25%