Top 5 performers in the S&P 500 for 2025 below (Name | Gain | Sector | Reason for performance):
1 Sandisk | 587% | Storage | NAND shortage
2 Western Digital | 283% | Storage | Hard‑drive demand
3 Seagate | 226%| Storage | Gaming & cloud storage
4 Robinhood | 225% | Fintech | Retail and crypto trading surge
5 Micron | 222% | Semiconductors | Memory chip demand
4 of the top 5 are storage related, benefitting from the AI datacentre rollout.
Source:
Storage and memory products makers dominated the index's top performers this year.
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