Intuitive Machines (LUNR) had the highest return in September 2024 by a mid-cap US stock, returning 62.3%.

ASSET	MONTH	% RETURN
Intuitive Machines (LUNR)	September 2024	62.3%
Lufax (LU)	September 2024	55.8%
Viridian Therapeutics (VRDN)	September 2024	54.66%
Melco Resorts & Entertainment (MLCO)	September 2024	53.65%
VNET Group Inc DRC (VNET)	September 2024	53.38%
TAL Education (TAL)	September 2024	48%
Travere Therapeutics (TVTX)	September 2024	47.42%
ZIM Integrated Shipping Services (ZIM)	September 2024	43.91%
Wave Life Sciences (WVE)	September 2024	43.61%
Nuscale Power (SMR)	September 2024	43.49%
Edgewise Therapeutics (EWTX)	September 2024	42.35%
Centrus Energy (LEU)	September 2024	41.91%
Kanzhun Ltd ADR (BZ)	September 2024	40.91%
Atour Lifestyle Holdings Limited American Depositary Shares (ATAT)	September 2024	39.64%
Bausch Health Companies (BHC)	September 2024	38.78%
Lumen Technologies (LUMN)	September 2024	36.8%
Weibo (WB)	September 2024	36.59%
Powell Industries (POWL)	September 2024	34.44%
Duolingo (DUOL)	September 2024	34.42%
GeneDx (WGS)	September 2024	33.84%
RH (RH)	September 2024	33.81%
Corcept Therapeutics (CORT)	September 2024	32%
Alignment Healthcare LLC (ALHC)	September 2024	31.92%
Impinj (PI)	September 2024	31.74%
Endeavour Silver (EXK)	September 2024	31.33%

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