Archer Aviation (ACHR) had the highest return on July 31, 2023 by a mid-cap US stock, returning 27.5%.

ASSET	DATE	% RETURN
Archer Aviation (ACHR)	7/31/2023	27.46%
Empire State Realty OP LP 250 (FISK)	7/31/2023	16.97%
Quantum Computing (QUBT)	7/31/2023	12.7%
Peloton Interactive (PTON)	7/31/2023	11.61%
TMC the metals (TMC)	7/31/2023	10.81%
Aurora Innovation (AUR)	7/31/2023	9.33%
Plug Power (PLUG)	7/31/2023	8.34%
Power Solutions International, Inc Common Stock (PSIX)	7/31/2023	8.33%
Ondas (ONDS)	7/31/2023	7.95%
Alignment Healthcare LLC (ALHC)	7/31/2023	7.81%
Uranium Energy (UEC)	7/31/2023	7.78%
Planet Labs PBC (PL)	7/31/2023	7.51%
Silicon Motion Technology (SIMO)	7/31/2023	6.99%
BigBearai (BBAI)	7/31/2023	6.91%
BlackBerry (BB)	7/31/2023	6.69%
PureCycle Technologies (PCTTW)	7/31/2023	6.53%
Enovix (ENVX)	7/31/2023	6.48%
CAVA (CAVA)	7/31/2023	6.41%
Recursion Pharmaceuticals (RXRX)	7/31/2023	6.41%
Centrus Energy (LEU)	7/31/2023	6.36%
Moog (MOG.A)	7/31/2023	6.07%
Nuscale Power (SMR)	7/31/2023	6.01%
Wix (WIX)	7/31/2023	5.88%
Sprint Communications (S)	7/31/2023	5.84%
Fluence Energy (FLNC)	7/31/2023	5.83%

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