# Shares of chipmakers are increasingly dominating the S&P 500 Index.

*semiconductor · news · 2026-05-17 · Bloomberg*

## Key points

- Semiconductor companies contributed over half of the S&P 500's 8% gain this year.
- Sandisk Corp.'s shares have climbed almost 500% year-to-date.
- Micron Technology Inc.'s shares have more than doubled during 2026.
- A chipmaker gauge fell 4% during the S&P 500's biggest drop since March.

**Companies:** Nvidia Corp., Micron Technology Inc., Sandisk Corp.

[Read the full story on Bloomberg](https://www.bloomberg.com/news/articles/2026-05-17/volatile-chipmaker-stocks-emerge-as-key-driver-of-s-p-500-rally)

---

Canonical: https://newsio.io/n/c62f62aa-7363-416c-9d8f-980a72904b19/shares-of-chipmakers-are-increasingly-dominating-the-sp-500-index-a-selloff-on-f
Summarized by Newsio from Bloomberg. https://newsio.io/how-it-works