---
title: "Key facts: Samsung stock rises 3% to record high; HBM4 chips advance; Co-CEO warns of rising costs"
type: "News"
locale: "en"
url: "https://longbridge.com/en/news/271317747.md"
description: "Samsung Electronics' stock rose 3% as South Korean shares hit a record high in early 2026, driven by strong trade data and positive investor sentiment.1Samsung Electronics is advancing its next-gen high-bandwidth memory (HBM4) chips, gaining positive customer feedback and strong support, with Co-CEO Jun Young-hyun stating, 'Samsung is back.'2Samsung Electronics Co-CEO TM Roh warns of rising component costs and global tariffs in 2026, stressing the need for supply chain diversification and global operational optimization.3"
datetime: "2026-01-02T09:03:02.000Z"
locales:
  - [zh-CN](https://longbridge.com/zh-CN/news/271317747.md)
  - [en](https://longbridge.com/en/news/271317747.md)
  - [zh-HK](https://longbridge.com/zh-HK/news/271317747.md)
---

> Supported Languages: [简体中文](https://longbridge.com/zh-CN/news/271317747.md) | [繁體中文](https://longbridge.com/zh-HK/news/271317747.md)


# Key facts: Samsung stock rises 3% to record high; HBM4 chips advance; Co-CEO warns of rising costs

-   Samsung Electronics' stock rose 3% as South Korean shares hit a record high in early 2026, driven by strong trade data and positive investor sentiment.1
-   Samsung Electronics is advancing its next-gen high-bandwidth memory (HBM4) chips, gaining positive customer feedback and strong support, with Co-CEO Jun Young-hyun stating, 'Samsung is back.'2
-   Samsung Electronics Co-CEO TM Roh warns of rising component costs and global tariffs in 2026, stressing the need for supply chain diversification and global operational optimization.3

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