DigitalOcean (DOCN) had the best month in March 2026 by a large-cap US stock in March 2026, returning 56.6%.

ASSET	MONTH	% RETURN
DigitalOcean (DOCN)	March 2026	56.62%
LyondellBasell Industries (LYB)	March 2026	41.23%
Tower Semiconductor (TSEM)	March 2026	38.03%
Dow (DOW)	March 2026	35.67%
APA (APA)	March 2026	30.5%
Equinor ASA ADR (EQNR)	March 2026	29.93%
YPF Sociedad Anonima (YPF)	March 2026	28.82%
Nio Inc Class A ADR (NIO)	March 2026	26.42%
Murphy USA (MUSA)	March 2026	25.97%
Argan (AGX)	March 2026	24.92%
Marvell Technology (MRVL)	March 2026	24.39%
Unity Software (U)	March 2026	24.31%
Cloudflare (NET)	March 2026	23.08%
Arm Holdings plc American Depositary Shares (ARM)	March 2026	22.67%
HF Sinclair (DINO)	March 2026	22.07%
Ecopetrol SA ADR (EC)	March 2026	21.87%
Madrigal Pharmaceuticals (MDGL)	March 2026	21.67%
Petroleo Brasileiro Petrobras SA ADR (PBR)	March 2026	21.34%
CF Industries (CF)	March 2026	20.67%
Eni SpA ADR (E)	March 2026	20.06%
Nextracker Inc Class A Common Stock (NXT)	March 2026	20.01%
Marathon Petroleum (MPC)	March 2026	19.74%
BP PLC ADR (BP)	March 2026	19.29%
Akamai Technologies (AKAM)	March 2026	18.51%
Summit Therapeutics (SMMT)	March 2026	18.5%

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