United Microelectronics (UMC) had the highest return on March 31, 2025 by a large-cap US stock, returning 8.7%.

ASSET	DATE	% RETURN
United Microelectronics (UMC)	3/31/2025	8.66%
Tempus AI, Inc Class A Common Stock (TEM)	3/31/2025	6.05%
Carvana (CVNA)	3/31/2025	5.78%
Palantir Technologies (PLTR)	3/31/2025	5.5%
IREN (IREN)	3/31/2025	5%
Ford Motor (F)	3/31/2025	4.81%
GE Vernova LLC (GEV)	3/31/2025	4.78%
Aurora Innovation (AUR)	3/31/2025	4.67%
Amer Sports (AS)	3/31/2025	4.66%
Robinhood Markets (HOOD)	3/31/2025	4.64%
Five Below (FIVE)	3/31/2025	4.57%
Super Micro Computer (SMCI)	3/31/2025	4.55%
Capital One Financial (COF)	3/31/2025	4.54%
Allegheny Technologies (ATI)	3/31/2025	4.46%
MasTec (MTZ)	3/31/2025	4.45%
Cheniere Energy Partners (CQP)	3/31/2025	4.43%
Fox Corp Class B (FOX)	3/31/2025	4.33%
GameStop (GME)	3/31/2025	4.3%
Madrigal Pharmaceuticals (MDGL)	3/31/2025	4.28%
Credo Technology (CRDO)	3/31/2025	4.2%
Ralph Lauren Corp Class A (RL)	3/31/2025	4.2%
Skydance (SKYD)	3/31/2025	4.18%
Live Nation Entertainment (LYV)	3/31/2025	4.18%
Jefferies Financial (JEF)	3/31/2025	4.14%
Ecopetrol SA ADR (EC)	3/31/2025	4.09%

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