Diversified Energy (DEC) has had the highest return this decade by a US stock, returning 14,269,900%.

ASSET	DECADE	% RETURN
Diversified Energy (DEC)	2020s	14,269,900%
Integra Resources (ITRG)	2020s	748,233.33%
Brera Holdings PLC Class B Ordinary Shares (BREA)	2020s	513,900%
Applied Digital (APLD)	2020s	333,927.78%
MDxHealth SA ADR (MDXH)	2020s	309,900%
DevvStream Corp Common Stock (DEVS)	2020s	128,900%
BioNexus Gene Lab Corp Common stock (BGLC)	2020s	100,875.61%
Sapiens International (SPNS)	2020s	66,862.36%
COSCIENS Biopharma (CSCI)	2020s	36,679.66%
ZTST (ZTST)	2020s	30,631.89%
Seven Hills Realty Trust Right (SEVNR)	2020s	27,900%
Castellum (CTM)	2020s	18,627.27%
Heart Test Laboratories Inc Common Stock (HSCS)	2020s	8,282.35%
Foremost Lithium Resource & Technology Ltd Common stock (FMST)	2020s	7,120.54%
Regencell Bioscience (RGC)	2020s	6,600.44%
Volato (SOAR)	2020s	5,513.69%
Azitra (AZTR)	2020s	5,275%
Innodata (INOD)	2020s	4,506.14%
QMMM Holdings Limited Ordinary Shares (QMMM)	2020s	3,880%
Centrus Energy (LEU)	2020s	3,596.22%
Celestica (CLS)	2020s	3,552.95%
DeFi Technologies (DEFT)	2020s	3,349.58%
NVIDIA (NVDA)	2020s	3,106.39%
Guardforce AI (GFAI)	2020s	3,006.25%
IsoEnergy (ISOU)	2020s	2,934.83%