best performing stocks in the sandp 500 h1 2026

Sandisk (SNDK) has had the highest return this year by a US stock in the S&P 500 (GSPC), returning 607.9%.

ASSETYEAR% RETURN
Sandisk (SNDK)
2026
607.9%
Moderna (MRNA)
2026
582.07%
Dell Technologies (DELL)
2026
324.09%
Micron Technology (MU)
2026
261.09%
Seagate Technology (STX)
2026
225.01%
Bloom Energy (BE)
2026
221.57%
Intel (INTC)
2026
206.94%
Marvell Technology (MRVL)
2026
203.96%
Advanced Micro Devices (AMD)
2026
177.56%
Lumentum (LITE)
2026
156.6%
Hewlett Packard Enterprise (HPE)
2026
156.28%
Western Digital (WDC)
2026
156.18%
Marathon Petroleum (MPC)
2026
143.53%
Valero Energy (VLO)
2026
141.02%
Crowdstrike (CRWD)
2026
121.72%
Fortinet (FTNT)
2026
120.03%
Palo Alto Networks (PANW)
2026
110.17%
Illumina (ILMN)
2026
107.11%
Teradyne (TER)
2026
102.47%
Phillips 66 (PSX)
2026
99.64%
NetApp (NTAP)
2026
95.9%
Datadog (DDOG)
2026
95.67%
Applied Materials (AMAT)
2026
92.39%
Flex (FLEX)
2026
85.27%
Lam Research (LRCX)
2026
82.64%