Weatherford International (WFRD) had the highest return between 2017 and 2023 by a mid-cap US stock in the Nasdaq Composite (IXIC), returning 2,822,917.6%.

ASSET	YEARS	% RETURN
Weatherford International (WFRD)	2017-2023	2,822,917.65%
Freedom (FRHC)	2017-2023	1,465,354.55%
Applied Digital (APLD)	2017-2023	67,300%
Enphase Energy (ENPH)	2017-2023	12,854.9%
Camtek (CAMT)	2017-2023	2,157.05%
Arrowhead Pharmaceuticals (ARWR)	2017-2023	1,861.54%
Catalyst Pharmaceuticals (CPRX)	2017-2023	1,516.35%
Viking Therapeutics (VKTX)	2017-2023	1,450.83%
Madrigal Pharmaceuticals (MDGL)	2017-2023	1,447.69%
Crocs (CROX)	2017-2023	1,242.1%
Krystal Biotech (KRYS)	2017-2023	1,081.52%
Axsome Therapeutics (AXSM)	2017-2023	1,037%
Wingstop (WING)	2017-2023	970.43%
Nova (NVMI)	2017-2023	941.62%
Saia (SAIA)	2017-2023	882.56%
Sitime (SITM)	2017-2023	839.08%
Lattice Semiconductor (LSCC)	2017-2023	833.56%
Chord Energy (CHRD)	2017-2023	792.56%
Axcelis Technologies (ACLS)	2017-2023	785.26%
Freshpet (FRPT)	2017-2023	750.59%
Agilysys (AGYS)	2017-2023	703.98%
Novanta (NOVT)	2017-2023	692.52%
Option Care Health (OPCH)	2017-2023	672.71%
SolarEdge Technologies (SEDG)	2017-2023	645.82%
Hamilton Lane (HLNE)	2017-2023	629.26%

Mid-cap stocks are treated as having a market cap between $2B and $10B.