Amerant Bancorp (AMTB) had the highest return between 2018 and 2019 by a US stock, returning 6,833,833.3%.

ASSET	YEARS	% RETURN
Amerant Bancorp (AMTB)	2018-2019	6,833,833.33%
KULR Technology (KULR)	2018-2019	2,999,900%
Avalon GloboCare (ALBT)	2018-2019	1,809,275%
Weatherford International (WFRD)	2018-2019	1,054,600%
GeoVax Labs (GOVX)	2018-2019	366,498.78%
Alarum Technologies (ALAR)	2018-2019	246,241.46%
Immatics (IMTX)	2018-2019	207,900%
Reliance Global (RELI)	2018-2019	13,100.01%
Nocera (NCRA)	2018-2019	7,900%
FitLife Brands, Inc Common Stock (FTLF)	2018-2019	5,530.99%
Osisko Development (ODV)	2018-2019	3,839.73%
Kaival Brands Innovations (KAVL)	2018-2019	3,473.97%
Fubotv (FUBO)	2018-2019	2,444.29%
Tandem Diabetes Care (TNDM)	2018-2019	2,436.6%
Sobr Safe (SOBR)	2018-2019	1,927.03%
SurgePays (SURG)	2018-2019	1,873.68%
Axsome Therapeutics (AXSM)	2018-2019	1,729.38%
Arrowhead Pharmaceuticals (ARWR)	2018-2019	1,618.97%
Paysign (PAYS)	2018-2019	1,271.62%
Relmada Therapeutics (RLMD)	2018-2019	1,182.89%
Enphase Energy (ENPH)	2018-2019	993.31%
Xpel (XPEL)	2018-2019	924.48%
Aura Minerals Inc Common Shares (AUGO)	2018-2019	822.37%
Avita Medical (RCEL)	2018-2019	819.19%
GT Biopharma (GTBP)	2018-2019	817.29%