best performing large cap in may 2026

Dell Technologies (DELL) had the highest return last month by a large-cap US stock, returning 101.8%.

ASSETMONTH% RETURN
Dell Technologies (DELL)
May 2026
101.85%
Micron Technology (MU)
May 2026
89.73%
Snowflake (SNOW)
May 2026
79.96%
Datadog (DDOG)
May 2026
78.59%
Astera Labs (ALAB)
May 2026
74.94%
Rocket Lab USA (RKLB)
May 2026
71.77%
United Microelectronics (UMC)
May 2026
70.22%
Arm Holdings plc American Depositary Shares (ARM)
May 2026
69.73%
Super Micro Computer (SMCI)
May 2026
66.75%
Jfrog  (FROG)
May 2026
65.34%
Sterling Construction (STRL)
May 2026
65.19%
Flex (FLEX)
May 2026
64.95%
Nebius (NBIS)
May 2026
63.51%
Okta (OKTA)
May 2026
63.27%
Hut 8 Corp Common Stock (HUT)
May 2026
62.12%
Crowdstrike (CRWD)
May 2026
60.77%
IONQ (IONQ)
May 2026
60.67%
Fortinet (FTNT)
May 2026
60.21%
Sandisk (SNDK)
May 2026
60.05%
SailPoint, Inc Common Stock (SAIL)
May 2026
58.37%
DigitalOcean (DOCN)
May 2026
57.51%
NetApp (NTAP)
May 2026
57.1%
Palo Alto Networks (PANW)
May 2026
54.77%
First Solar (FSLR)
May 2026
53.33%
Ast Spacemobile (ASTS)
May 2026
53.05%
Large-cap stocks are treated as having a market cap of $10B+.