---
symbol: "SMSN"
name: "Samsung Electronics"
date: 2026-09-12
change_pct: 1.803856520837662
direction: "up"
event_type: "contract_deal"
url: "https://perplo.app/why/SMSN/2026-09-12"
updated_at: 2026-09-12T01:06:44.621Z
---

# Why Samsung Electronics (SMSN) rose 1.80% on September 12, 2026

Samsung Electronics (SMSN) rose 1.80% on September 12, 2026 — Samsung deepens High-NA EUV ties with ASML.

## What happened

Samsung deepened its High-NA EUV partnership with ASML, securing access to next-generation lithography tools as AI demand pressures foundries to scale advanced-node production capacity.

## Why it moved

High-NA EUV adoption improves Samsung's foundry yield and cost structure for sub-3nm nodes, making it a more competitive alternative to TSMC for hyperscaler chip orders; the ASML tie-up is a credible signal of…

## Why it matters

Korea Tech is rallying on structural tailwinds in semiconductor foundry and memory—Samsung's High-NA move positions it to capture foundry volume share as AI chips demand mature nodes at scale, reinforcing Korea's role…

## What would break the thesis

If Samsung postpones High-NA adoption or finds the capex economics unattractive relative to TSMC's pricing, or if hyperscalers stay concentrated on TSMC, Samsung's foundry competitiveness thesis stalls.

## Sources

- [ASML Expands High-NA Ties With Samsung and Intel as AI Demand Builds](https://finnhub.io/api/news?id=42fab6407bdb76439bed75b81510050e77c8c02e2e6235eb52d9e0c0e6a69426) — Yahoo
- [Samsung Gets $250 For Every iPhone Duo You Buy](https://finnhub.io/api/news?id=5e6693006b2cc9f0b4766d4658ededcab5940e6f94c9d99aae41331c0bd77a83) — Yahoo
- [Samsung works to draw iPhone users to its foldables even as Apple enters the market](https://www.cnbc.com/2026/09/10/samsung-tries-to-draw-iphone-users-to-its-foldables-amid-apple-entry.html) — CNBC

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