Super Micro Computer (SMCI) had the best day in January 2024 by a large-cap US stock or large-cap US stock on January 19, 2024, returning 21.8%.

ASSET	DATE	% RETURN
Super Micro Computer (SMCI)	1/19/2024	21.81%
Summit Therapeutics (SMMT)	1/8/2024	15.56%
Summit Therapeutics (SMMT)	1/16/2024	14.95%
Moderna (MRNA)	1/2/2024	12.64%
Exelixis (EXEL)	1/8/2024	10.71%
Hims Hers Health (HIMS)	1/2/2024	9.55%
DocuSign (DOCU)	1/11/2024	9.4%
Summit Therapeutics (SMMT)	1/19/2024	9.39%
Super Micro Computer (SMCI)	1/8/2024	8.61%
Super Micro Computer (SMCI)	1/9/2024	7.98%
Ally Financial (ALLY)	1/19/2024	7.79%
First Citizens BancShares (FCNCA)	1/26/2024	7.75%
Credo Technology (CRDO)	1/8/2024	7.53%
Arm Holdings plc American Depositary Shares (ARM)	1/8/2024	7.5%
Summit Therapeutics (SMMT)	1/23/2024	7.35%
Carvana (CVNA)	1/29/2024	7.21%
Credo Technology (CRDO)	1/9/2024	7.2%
Symbotic (SYM)	1/29/2024	7.1%
United Rentals (URI)	1/25/2024	7.03%
Sysco (SYY)	1/30/2024	6.98%
Grupo Financiero Galicia SA ADR (GGAL)	1/25/2024	6.95%
Celestica (CLS)	1/19/2024	6.88%
Marvell Technology (MRVL)	1/8/2024	6.85%
Rocket Lab USA (RKLB)	1/4/2024	6.84%
BioNTech SE (BNTX)	1/2/2024	6.82%

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