GameStop (GME) had the best day in June 2024 by a large-cap US stock on June 6, returning 47.5%.

ASSET	DATE	% RETURN
GameStop (GME)	6/6/2024	47.45%
GameStop (GME)	6/11/2024	24.96%
GameStop (GME)	6/5/2024	20.04%
Texas Pacific Land Trust (TPL)	6/10/2024	17.69%
Coherent (COHR)	6/3/2024	14.82%
Chewy (CHWY)	6/18/2024	13.75%
Mobileye Global Inc Class A Common Stock (MBLY)	6/7/2024	13.26%
Chewy (CHWY)	6/25/2024	11.07%
Super Micro Computer (SMCI)	6/13/2024	10.97%
Summit Therapeutics (SMMT)	6/5/2024	9.84%
GameStop (GME)	6/13/2024	9.64%
Reddit (RDDT)	6/5/2024	9.64%
Aurora Innovation (AUR)	6/5/2024	8.84%
Arm Holdings plc American Depositary Shares (ARM)	6/18/2024	8.81%
Affirm (AFRM)	6/24/2024	8.71%
Mobileye Global Inc Class A Common Stock (MBLY)	6/26/2024	8.56%
Carvana (CVNA)	6/25/2024	8.55%
Reddit (RDDT)	6/25/2024	8.52%
Alnylam Pharmaceuticals (ALNY)	6/25/2024	8.48%
Fortress Transp & Infra Inv (FTAI)	6/25/2024	7.79%
Arm Holdings plc American Depositary Shares (ARM)	6/5/2024	7.76%
DraftKings (DKNG)	6/17/2024	7.7%
Reddit (RDDT)	6/6/2024	7.58%
Constellation Energy (CEG)	6/10/2024	7.57%
Rivian Automotive (RIVN)	6/25/2024	7.55%

Large-cap stocks are treated as having a market cap of $10B+.