Summary
US market close on October 28, 2026: Dow +0.19%, S&P 500 +0.28%, Nasdaq +0.27%, led by memory and AI cloud names — SK hynix +13.30%, Oracle +10.58%, SanDisk +7.66%, Micron +5.86%; Google rose 1.3% in the regular session then slumped more than 11% after hours on its Q3 report.
Background and Data Scope
- Event: Regular-session US close on October 28, 2026; the Federal Reserve held rates unchanged the same day, and the three major indexes closed modestly higher.
- Sources: Index levels per Xinhua / Sina Finance close review; individual stock moves per Eastmoney Fund (tiantian fund) market data; Oracle close and market cap per Wind (People's Finance reports it as up over 10%); Google's after-hours drop per People's Finance / Zhitong Finance.
- Scope: Regular-session moves are the Oct 28 official close; after-hours moves are the post-close session and are listed separately.
Core Data Table
| model | Ticker | Close level / price | Change | Segment |
|---|---|---|---|---|
| Dow Jones Industrial Average | DJI | 52,475.10 (+97.53 pts) | +0.19% | Benchmark |
| S&P 500 | SPX | 7,743.98 (+21.38 pts) | +0.28% | Benchmark |
| Nasdaq Composite | IXIC | 26,549.85 (+72.04 pts) | +0.27% | Benchmark |
| SK hynix (US shares) | — | — | +13.30% | Memory |
| SanDisk | SNDK | — | +7.66% | Memory |
| Micron Technology | MU | — | +5.86% | Memory |
| Lumentum | LITE | — | +5.52% | Optical modules |
| Ciena | CIEN | — | +3.43% | Optical networking |
| Oracle | ORCL | $144.34 (+$13.81); market cap ~$437.567B | +10.58% | AI cloud |
| CoreWeave | CRWV | — | up over 7% | AI cloud |
| NEBIUS | NBIS | — | up over 6% | AI cloud |
| Alphabet (regular session) | GOOGL | — | +1.3% | Magnificent Seven |
| Alphabet (after hours) | GOOGL | — | down over 11% | After hours (Q3 miss) |
Magnificent Seven on the Day
| model | Change |
|---|---|
| Alphabet | +1.3% |
| Amazon | +0.59% |
| Microsoft | -0.06% |
| Tesla | -0.80% |
| Apple | -0.94% |
| NVIDIA | -1.17% |
| Meta | -1.24% |
Additional Notes
- The Nasdaq Golden Dragon China Index fell 1.83% on the day, per People's Finance.
- Alphabet rose 1.3% in the regular session then dropped more than 11% after hours on its Q3 earnings miss (per People's Finance + Zhitong Finance).
- Sector structure: memory (SK hynix, SanDisk, Micron) and AI cloud (Oracle, CoreWeave, NEBIUS) were the day's leading gainers.